1990457975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{1489}}^1\times {\mathrm{4861}}^1$

素因数の和:6371

約数の個数: 24

約数和(自身を含む): 2694909360

約数和(自身を除く): 704451385

約数列:

[1, 5, 11, 25, 55, 275, 1489, 4861, 7445, 16379, 24305, 37225, 53471, 81895, 121525, 267355, 409475, 1336775, 7238029, 36190145, 79618319, 180950725, 398091595, 1990457975]

約数ペア:

[(1, 1990457975), (5, 398091595), (11, 180950725), (25, 79618319), (55, 36190145), (275, 7238029), (1489, 1336775), (4861, 409475), (7445, 267355), (16379, 121525), (24305, 81895), (37225, 53471)]