49921780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 109799424

約数和(自身を除く): 59877644

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 1103, 1460, 2206, 2263, 4412, 4526, 5515, 9052, 11030, 11315, 22060, 22630, 34193, 45260, 68386, 80519, 136772, 161038, 170965, 322076, 341930, 402595, 683860, 805190, 1610380, 2496089, 4992178, 9984356, 12480445, 24960890, 49921780]

約数ペア:

[(1, 49921780), (2, 24960890), (4, 12480445), (5, 9984356), (10, 4992178), (20, 2496089), (31, 1610380), (62, 805190), (73, 683860), (124, 402595), (146, 341930), (155, 322076), (292, 170965), (310, 161038), (365, 136772), (620, 80519), (730, 68386), (1103, 45260), (1460, 34193), (2206, 22630), (2263, 22060), (4412, 11315), (4526, 11030), (5515, 9052)]