290438510

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{145949}}^1$

素因数の和:146155

約数の個数: 16

約数和(自身を含む): 525420000

約数和(自身を除く): 234981490

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 145949, 291898, 729745, 1459490, 29043851, 58087702, 145219255, 290438510]

約数ペア:

[(1, 290438510), (2, 145219255), (5, 58087702), (10, 29043851), (199, 1459490), (398, 729745), (995, 291898), (1990, 145949)]