981565940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2133839}}^1$

素因数の和:2133871

約数の個数: 24

約数和(自身を含む): 2150910720

約数和(自身を除く): 1169344780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 2133839, 4267678, 8535356, 10669195, 21338390, 42676780, 49078297, 98156594, 196313188, 245391485, 490782970, 981565940]

約数ペア:

[(1, 981565940), (2, 490782970), (4, 245391485), (5, 196313188), (10, 98156594), (20, 49078297), (23, 42676780), (46, 21338390), (92, 10669195), (115, 8535356), (230, 4267678), (460, 2133839)]