289317820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1315081}}^1$

素因数の和:1315101

約数の個数: 24

約数和(自身を含む): 662801328

約数和(自身を除く): 373483508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1315081, 2630162, 5260324, 6575405, 13150810, 14465891, 26301620, 28931782, 57863564, 72329455, 144658910, 289317820]

約数ペア:

[(1, 289317820), (2, 144658910), (4, 72329455), (5, 57863564), (10, 28931782), (11, 26301620), (20, 14465891), (22, 13150810), (44, 6575405), (55, 5260324), (110, 2630162), (220, 1315081)]