68877740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 148599360

約数和(自身を除く): 79721620

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 181, 212, 265, 359, 362, 530, 718, 724, 905, 1060, 1436, 1795, 1810, 3590, 3620, 7180, 9593, 19027, 19186, 38054, 38372, 47965, 64979, 76108, 95135, 95930, 129958, 190270, 191860, 259916, 324895, 380540, 649790, 1299580, 3443887, 6887774, 13775548, 17219435, 34438870, 68877740]

約数ペア:

[(1, 68877740), (2, 34438870), (4, 17219435), (5, 13775548), (10, 6887774), (20, 3443887), (53, 1299580), (106, 649790), (181, 380540), (212, 324895), (265, 259916), (359, 191860), (362, 190270), (530, 129958), (718, 95930), (724, 95135), (905, 76108), (1060, 64979), (1436, 47965), (1795, 38372), (1810, 38054), (3590, 19186), (3620, 19027), (7180, 9593)]