416740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 891072

約数和(自身を除く): 474332

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 311, 335, 622, 670, 1244, 1340, 1555, 3110, 6220, 20837, 41674, 83348, 104185, 208370, 416740]

約数ペア:

[(1, 416740), (2, 208370), (4, 104185), (5, 83348), (10, 41674), (20, 20837), (67, 6220), (134, 3110), (268, 1555), (311, 1340), (335, 1244), (622, 670)]