90620740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{8867}}^1$

素因数の和:8956

約数の個数: 48

約数和(自身を含む): 220493952

約数和(自身を除く): 129873212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 8867, 10220, 17734, 35468, 44335, 62069, 88670, 124138, 177340, 248276, 310345, 620690, 647291, 1241380, 1294582, 2589164, 3236455, 4531037, 6472910, 9062074, 12945820, 18124148, 22655185, 45310370, 90620740]

約数ペア:

[(1, 90620740), (2, 45310370), (4, 22655185), (5, 18124148), (7, 12945820), (10, 9062074), (14, 6472910), (20, 4531037), (28, 3236455), (35, 2589164), (70, 1294582), (73, 1241380), (140, 647291), (146, 620690), (292, 310345), (365, 248276), (511, 177340), (730, 124138), (1022, 88670), (1460, 62069), (2044, 44335), (2555, 35468), (5110, 17734), (8867, 10220)]