84500420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1867}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 185783808

約数和(自身を除く): 101283388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 1460, 1867, 2263, 3734, 4526, 7468, 9052, 9335, 11315, 18670, 22630, 37340, 45260, 57877, 115754, 136291, 231508, 272582, 289385, 545164, 578770, 681455, 1157540, 1362910, 2725820, 4225021, 8450042, 16900084, 21125105, 42250210, 84500420]

約数ペア:

[(1, 84500420), (2, 42250210), (4, 21125105), (5, 16900084), (10, 8450042), (20, 4225021), (31, 2725820), (62, 1362910), (73, 1157540), (124, 681455), (146, 578770), (155, 545164), (292, 289385), (310, 272582), (365, 231508), (620, 136291), (730, 115754), (1460, 57877), (1867, 45260), (2263, 37340), (3734, 22630), (4526, 18670), (7468, 11315), (9052, 9335)]