538998620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{1637}}^1$

素因数の和:1910

約数の個数: 48

約数和(自身を含む): 1150819488

約数和(自身を除く): 611820868

約数列:

[1, 2, 4, 5, 10, 20, 101, 163, 202, 326, 404, 505, 652, 815, 1010, 1630, 1637, 2020, 3260, 3274, 6548, 8185, 16370, 16463, 32740, 32926, 65852, 82315, 164630, 165337, 266831, 329260, 330674, 533662, 661348, 826685, 1067324, 1334155, 1653370, 2668310, 3306740, 5336620, 26949931, 53899862, 107799724, 134749655, 269499310, 538998620]

約数ペア:

[(1, 538998620), (2, 269499310), (4, 134749655), (5, 107799724), (10, 53899862), (20, 26949931), (101, 5336620), (163, 3306740), (202, 2668310), (326, 1653370), (404, 1334155), (505, 1067324), (652, 826685), (815, 661348), (1010, 533662), (1630, 330674), (1637, 329260), (2020, 266831), (3260, 165337), (3274, 164630), (6548, 82315), (8185, 65852), (16370, 32926), (16463, 32740)]