279577820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{123707}}^1$

素因数の和:123829

約数の個数: 24

約数和(自身を含む): 592313904

約数和(自身を除く): 312736084

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 123707, 247414, 494828, 618535, 1237070, 2474140, 13978891, 27957782, 55915564, 69894455, 139788910, 279577820]

約数ペア:

[(1, 279577820), (2, 139788910), (4, 69894455), (5, 55915564), (10, 27957782), (20, 13978891), (113, 2474140), (226, 1237070), (452, 618535), (565, 494828), (1130, 247414), (2260, 123707)]