815540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{337}}^1$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 1888068

約数和(自身を除く): 1072528

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 337, 484, 605, 674, 1210, 1348, 1685, 2420, 3370, 3707, 6740, 7414, 14828, 18535, 37070, 40777, 74140, 81554, 163108, 203885, 407770, 815540]

約数ペア:

[(1, 815540), (2, 407770), (4, 203885), (5, 163108), (10, 81554), (11, 74140), (20, 40777), (22, 37070), (44, 18535), (55, 14828), (110, 7414), (121, 6740), (220, 3707), (242, 3370), (337, 2420), (484, 1685), (605, 1348), (674, 1210)]