156661580

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{52571}}^1$

素因数の和:52729

約数の個数: 24

約数和(自身を含む): 331203600

約数和(自身を除く): 174542020

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 52571, 105142, 210284, 262855, 525710, 1051420, 7833079, 15666158, 31332316, 39165395, 78330790, 156661580]

約数ペア:

[(1, 156661580), (2, 78330790), (4, 39165395), (5, 31332316), (10, 15666158), (20, 7833079), (149, 1051420), (298, 525710), (596, 262855), (745, 210284), (1490, 105142), (2980, 52571)]