142128580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{646039}}^1$

素因数の和:646059

約数の個数: 24

約数和(自身を含む): 325604160

約数和(自身を除く): 183475580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 646039, 1292078, 2584156, 3230195, 6460390, 7106429, 12920780, 14212858, 28425716, 35532145, 71064290, 142128580]

約数ペア:

[(1, 142128580), (2, 71064290), (4, 35532145), (5, 28425716), (10, 14212858), (11, 12920780), (20, 7106429), (22, 6460390), (44, 3230195), (55, 2584156), (110, 1292078), (220, 646039)]