284917820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1295081}}^1$

素因数の和:1295101

約数の個数: 24

約数和(自身を含む): 652721328

約数和(自身を除く): 367803508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1295081, 2590162, 5180324, 6475405, 12950810, 14245891, 25901620, 28491782, 56983564, 71229455, 142458910, 284917820]

約数ペア:

[(1, 284917820), (2, 142458910), (4, 71229455), (5, 56983564), (10, 28491782), (11, 25901620), (20, 14245891), (22, 12950810), (44, 6475405), (55, 5180324), (110, 2590162), (220, 1295081)]