554418140

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{124309}}^1$

素因数の和:124541

約数の個数: 24

約数和(自身を含む): 1169508480

約数和(自身を除く): 615090340

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 124309, 248618, 497236, 621545, 1243090, 2486180, 27720907, 55441814, 110883628, 138604535, 277209070, 554418140]

約数ペア:

[(1, 554418140), (2, 277209070), (4, 138604535), (5, 110883628), (10, 55441814), (20, 27720907), (223, 2486180), (446, 1243090), (892, 621545), (1115, 497236), (2230, 248618), (4460, 124309)]