149813620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{680971}}^1$

素因数の和:680991

約数の個数: 24

約数和(自身を含む): 343209888

約数和(自身を除く): 193396268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 680971, 1361942, 2723884, 3404855, 6809710, 7490681, 13619420, 14981362, 29962724, 37453405, 74906810, 149813620]

約数ペア:

[(1, 149813620), (2, 74906810), (4, 37453405), (5, 29962724), (10, 14981362), (11, 13619420), (20, 7490681), (22, 6809710), (44, 3404855), (55, 2723884), (110, 1361942), (220, 680971)]