199841020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{434437}}^1$

素因数の和:434469

約数の個数: 24

約数和(自身を含む): 437913504

約数和(自身を除く): 238072484

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 434437, 868874, 1737748, 2172185, 4344370, 8688740, 9992051, 19984102, 39968204, 49960255, 99920510, 199841020]

約数ペア:

[(1, 199841020), (2, 99920510), (4, 49960255), (5, 39968204), (10, 19984102), (20, 9992051), (23, 8688740), (46, 4344370), (92, 2172185), (115, 1737748), (230, 868874), (460, 434437)]