218706290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{180749}}^1$

素因数の和:180778

約数の個数: 24

約数和(自身を含む): 432715500

約数和(自身を除く): 214009210

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 180749, 361498, 903745, 1807490, 1988239, 3976478, 9941195, 19882390, 21870629, 43741258, 109353145, 218706290]

約数ペア:

[(1, 218706290), (2, 109353145), (5, 43741258), (10, 21870629), (11, 19882390), (22, 9941195), (55, 3976478), (110, 1988239), (121, 1807490), (242, 903745), (605, 361498), (1210, 180749)]