135430940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{218437}}^1$

素因数の和:218477

約数の個数: 24

約数和(自身を含む): 293580672

約数和(自身を除く): 158149732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 218437, 436874, 873748, 1092185, 2184370, 4368740, 6771547, 13543094, 27086188, 33857735, 67715470, 135430940]

約数ペア:

[(1, 135430940), (2, 67715470), (4, 33857735), (5, 27086188), (10, 13543094), (20, 6771547), (31, 4368740), (62, 2184370), (124, 1092185), (155, 873748), (310, 436874), (620, 218437)]