31809140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{757}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 73350144

約数和(自身を除く): 41541004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 757, 764, 955, 1514, 1910, 2101, 3028, 3785, 3820, 4202, 7570, 8327, 8404, 10505, 15140, 16654, 21010, 33308, 41635, 42020, 83270, 144587, 166540, 289174, 578348, 722935, 1445870, 1590457, 2891740, 3180914, 6361828, 7952285, 15904570, 31809140]

約数ペア:

[(1, 31809140), (2, 15904570), (4, 7952285), (5, 6361828), (10, 3180914), (11, 2891740), (20, 1590457), (22, 1445870), (44, 722935), (55, 578348), (110, 289174), (191, 166540), (220, 144587), (382, 83270), (757, 42020), (764, 41635), (955, 33308), (1514, 21010), (1910, 16654), (2101, 15140), (3028, 10505), (3785, 8404), (3820, 8327), (4202, 7570)]