154069780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{38711}}^1$

素因数の和:38919

約数の個数: 24

約数和(自身を含む): 325180800

約数和(自身を除く): 171111020

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 38711, 77422, 154844, 193555, 387110, 774220, 7703489, 15406978, 30813956, 38517445, 77034890, 154069780]

約数ペア:

[(1, 154069780), (2, 77034890), (4, 38517445), (5, 30813956), (10, 15406978), (20, 7703489), (199, 774220), (398, 387110), (796, 193555), (995, 154844), (1990, 77422), (3980, 38711)]