81190100

素因数分解:

$2^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{5449}}^1$

素因数の和:5612

約数の個数: 36

約数和(自身を含む): 177397500

約数和(自身を除く): 96207400

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 298, 596, 745, 1490, 2980, 3725, 5449, 7450, 10898, 14900, 21796, 27245, 54490, 108980, 136225, 272450, 544900, 811901, 1623802, 3247604, 4059505, 8119010, 16238020, 20297525, 40595050, 81190100]

約数ペア:

[(1, 81190100), (2, 40595050), (4, 20297525), (5, 16238020), (10, 8119010), (20, 4059505), (25, 3247604), (50, 1623802), (100, 811901), (149, 544900), (298, 272450), (596, 136225), (745, 108980), (1490, 54490), (2980, 27245), (3725, 21796), (5449, 14900), (7450, 10898)]