404140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{167}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 938448

約数和(自身を除く): 534308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 167, 220, 242, 334, 484, 605, 668, 835, 1210, 1670, 1837, 2420, 3340, 3674, 7348, 9185, 18370, 20207, 36740, 40414, 80828, 101035, 202070, 404140]

約数ペア:

[(1, 404140), (2, 202070), (4, 101035), (5, 80828), (10, 40414), (11, 36740), (20, 20207), (22, 18370), (44, 9185), (55, 7348), (110, 3674), (121, 3340), (167, 2420), (220, 1837), (242, 1670), (334, 1210), (484, 835), (605, 668)]