220171820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{2143}}^1$

素因数の和:2630

約数の個数: 48

約数和(自身を含む): 505709568

約数和(自身を除く): 285537748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 467, 934, 1868, 2143, 2335, 4286, 4670, 5137, 8572, 9340, 10274, 10715, 20548, 21430, 23573, 25685, 42860, 47146, 51370, 94292, 102740, 117865, 235730, 471460, 1000781, 2001562, 4003124, 5003905, 10007810, 11008591, 20015620, 22017182, 44034364, 55042955, 110085910, 220171820]

約数ペア:

[(1, 220171820), (2, 110085910), (4, 55042955), (5, 44034364), (10, 22017182), (11, 20015620), (20, 11008591), (22, 10007810), (44, 5003905), (55, 4003124), (110, 2001562), (220, 1000781), (467, 471460), (934, 235730), (1868, 117865), (2143, 102740), (2335, 94292), (4286, 51370), (4670, 47146), (5137, 42860), (8572, 25685), (9340, 23573), (10274, 21430), (10715, 20548)]