31589140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1033}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 72959040

約数和(自身を除く): 41369900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1033, 1390, 1529, 2066, 2780, 3058, 4132, 5165, 6116, 7645, 10330, 11363, 15290, 20660, 22726, 30580, 45452, 56815, 113630, 143587, 227260, 287174, 574348, 717935, 1435870, 1579457, 2871740, 3158914, 6317828, 7897285, 15794570, 31589140]

約数ペア:

[(1, 31589140), (2, 15794570), (4, 7897285), (5, 6317828), (10, 3158914), (11, 2871740), (20, 1579457), (22, 1435870), (44, 717935), (55, 574348), (110, 287174), (139, 227260), (220, 143587), (278, 113630), (556, 56815), (695, 45452), (1033, 30580), (1390, 22726), (1529, 20660), (2066, 15290), (2780, 11363), (3058, 10330), (4132, 7645), (5165, 6116)]