214179620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{345451}}^1$

素因数の和:345491

約数の個数: 24

約数和(自身を含む): 464287488

約数和(自身を除く): 250107868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 345451, 690902, 1381804, 1727255, 3454510, 6909020, 10708981, 21417962, 42835924, 53544905, 107089810, 214179620]

約数ペア:

[(1, 214179620), (2, 107089810), (4, 53544905), (5, 42835924), (10, 21417962), (20, 10708981), (31, 6909020), (62, 3454510), (124, 1727255), (155, 1381804), (310, 690902), (620, 345451)]