205491110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{10321}}^1$

素因数の和:10520

約数の個数: 32

約数和(自身を含む): 405778464

約数和(自身を除く): 200287354

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1810, 1991, 3982, 9955, 10321, 19910, 20642, 51605, 103210, 113531, 227062, 567655, 1135310, 1868101, 3736202, 9340505, 18681010, 20549111, 41098222, 102745555, 205491110]

約数ペア:

[(1, 205491110), (2, 102745555), (5, 41098222), (10, 20549111), (11, 18681010), (22, 9340505), (55, 3736202), (110, 1868101), (181, 1135310), (362, 567655), (905, 227062), (1810, 113531), (1991, 103210), (3982, 51605), (9955, 20642), (10321, 19910)]