456740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 984312

約数和(自身を除く): 527572

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 557, 820, 1114, 2228, 2785, 5570, 11140, 22837, 45674, 91348, 114185, 228370, 456740]

約数ペア:

[(1, 456740), (2, 228370), (4, 114185), (5, 91348), (10, 45674), (20, 22837), (41, 11140), (82, 5570), (164, 2785), (205, 2228), (410, 1114), (557, 820)]