487997620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2218171}}^1$

素因数の和:2218191

約数の個数: 24

約数和(自身を含む): 1117958688

約数和(自身を除く): 629961068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2218171, 4436342, 8872684, 11090855, 22181710, 24399881, 44363420, 48799762, 97599524, 121999405, 243998810, 487997620]

約数ペア:

[(1, 487997620), (2, 243998810), (4, 121999405), (5, 97599524), (10, 48799762), (11, 44363420), (20, 24399881), (22, 22181710), (44, 11090855), (55, 8872684), (110, 4436342), (220, 2218171)]