205994620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2351}}^1$

素因数の和:2710

約数の個数: 48

約数和(自身を含む): 467445888

約数和(自身を除く): 261451268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337, 674, 1348, 1685, 2351, 3370, 4381, 4702, 6740, 8762, 9404, 11755, 17524, 21905, 23510, 30563, 43810, 47020, 61126, 87620, 122252, 152815, 305630, 611260, 792287, 1584574, 3169148, 3961435, 7922870, 10299731, 15845740, 20599462, 41198924, 51498655, 102997310, 205994620]

約数ペア:

[(1, 205994620), (2, 102997310), (4, 51498655), (5, 41198924), (10, 20599462), (13, 15845740), (20, 10299731), (26, 7922870), (52, 3961435), (65, 3169148), (130, 1584574), (260, 792287), (337, 611260), (674, 305630), (1348, 152815), (1685, 122252), (2351, 87620), (3370, 61126), (4381, 47020), (4702, 43810), (6740, 30563), (8762, 23510), (9404, 21905), (11755, 17524)]