684740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 1690752

約数和(自身を除く): 1006012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 73, 134, 140, 146, 268, 292, 335, 365, 469, 511, 670, 730, 938, 1022, 1340, 1460, 1876, 2044, 2345, 2555, 4690, 4891, 5110, 9380, 9782, 10220, 19564, 24455, 34237, 48910, 68474, 97820, 136948, 171185, 342370, 684740]

約数ペア:

[(1, 684740), (2, 342370), (4, 171185), (5, 136948), (7, 97820), (10, 68474), (14, 48910), (20, 34237), (28, 24455), (35, 19564), (67, 10220), (70, 9782), (73, 9380), (134, 5110), (140, 4891), (146, 4690), (268, 2555), (292, 2345), (335, 2044), (365, 1876), (469, 1460), (511, 1340), (670, 1022), (730, 938)]