74145380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 158760000

約数和(自身を除く): 84614620

約数列:

[1, 2, 4, 5, 10, 20, 139, 149, 179, 278, 298, 358, 556, 596, 695, 716, 745, 895, 1390, 1490, 1790, 2780, 2980, 3580, 20711, 24881, 26671, 41422, 49762, 53342, 82844, 99524, 103555, 106684, 124405, 133355, 207110, 248810, 266710, 414220, 497620, 533420, 3707269, 7414538, 14829076, 18536345, 37072690, 74145380]

約数ペア:

[(1, 74145380), (2, 37072690), (4, 18536345), (5, 14829076), (10, 7414538), (20, 3707269), (139, 533420), (149, 497620), (179, 414220), (278, 266710), (298, 248810), (358, 207110), (556, 133355), (596, 124405), (695, 106684), (716, 103555), (745, 99524), (895, 82844), (1390, 53342), (1490, 49762), (1790, 41422), (2780, 26671), (2980, 24881), (3580, 20711)]