68043580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{309289}}^1$

素因数の和:309309

約数の個数: 24

約数和(自身を含む): 155882160

約数和(自身を除く): 87838580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 309289, 618578, 1237156, 1546445, 3092890, 3402179, 6185780, 6804358, 13608716, 17010895, 34021790, 68043580]

約数ペア:

[(1, 68043580), (2, 34021790), (4, 17010895), (5, 13608716), (10, 6804358), (11, 6185780), (20, 3402179), (22, 3092890), (44, 1546445), (55, 1237156), (110, 618578), (220, 309289)]