質數的問題

53, 59, 61 , 67, 71, 73, 79, 83, 89, 91, 97

360 = 2^3 x 3^2 x 5

因為它是質數... 所以它的因數只有1和1009
所和是 1009+ 1 = 1010

1) 51,53,59,61,67,71,73,79,83,89,97


3 2
2) 2 X3X 5 (睇5睇得明??? 上面o個排是細字....仲5明???中文解

作 2的3次方乘3的2次方乘5 )


3)1009是一個質數,它的因子只有1和1009

所以answer is 1+1009=1010

2007-09-19 19:39:07 補充：
Sorry1)53, 59, 61, 67, 71, 73, 79, 83, 89, 97 3 22) 2 X3X 5 (2的3次方乘3的2次方乘5)

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013, 1019, 1021, 1031, 1033, 1039,
360寫成質因子是:2的3次方*3的2次方*5
1009的所有因子的和是1010

2007-09-22 21:49:20 補充：
360寫成質因子是:2的3次方乘3的2次方乘51009的所有因子的和是1010