31020140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 68342400

約数和(自身を除く): 37322260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 677, 790, 1354, 1580, 2291, 2708, 3385, 4582, 6770, 9164, 11455, 13540, 19633, 22910, 39266, 45820, 53483, 78532, 98165, 106966, 196330, 213932, 267415, 392660, 534830, 1069660, 1551007, 3102014, 6204028, 7755035, 15510070, 31020140]

約数ペア:

[(1, 31020140), (2, 15510070), (4, 7755035), (5, 6204028), (10, 3102014), (20, 1551007), (29, 1069660), (58, 534830), (79, 392660), (116, 267415), (145, 213932), (158, 196330), (290, 106966), (316, 98165), (395, 78532), (580, 53483), (677, 45820), (790, 39266), (1354, 22910), (1580, 19633), (2291, 13540), (2708, 11455), (3385, 9164), (4582, 6770)]