308400620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1401821}}^1$

素因数の和:1401841

約数の個数: 24

約数和(自身を含む): 706518288

約数和(自身を除く): 398117668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1401821, 2803642, 5607284, 7009105, 14018210, 15420031, 28036420, 30840062, 61680124, 77100155, 154200310, 308400620]

約数ペア:

[(1, 308400620), (2, 154200310), (4, 77100155), (5, 61680124), (10, 30840062), (11, 28036420), (20, 15420031), (22, 14018210), (44, 7009105), (55, 5607284), (110, 2803642), (220, 1401821)]