219408050

素因数分解:

$2^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{10729}}^1$

素因数の和:11150

約数の個数: 24

約数和(自身を含む): 409134900

約数和(自身を除く): 189726850

約数列:

[1, 2, 5, 10, 25, 50, 409, 818, 2045, 4090, 10225, 10729, 20450, 21458, 53645, 107290, 268225, 536450, 4388161, 8776322, 21940805, 43881610, 109704025, 219408050]

約数ペア:

[(1, 219408050), (2, 109704025), (5, 43881610), (10, 21940805), (25, 8776322), (50, 4388161), (409, 536450), (818, 268225), (2045, 107290), (4090, 53645), (10225, 21458), (10729, 20450)]