28458580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74891}}^1$

素因数の和:74919

約数の個数: 24

約数和(自身を含む): 62909280

約数和(自身を除く): 34450700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74891, 149782, 299564, 374455, 748910, 1422929, 1497820, 2845858, 5691716, 7114645, 14229290, 28458580]

約数ペア:

[(1, 28458580), (2, 14229290), (4, 7114645), (5, 5691716), (10, 2845858), (19, 1497820), (20, 1422929), (38, 748910), (76, 374455), (95, 299564), (190, 149782), (380, 74891)]