1428820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 3024000

約数和(自身を除く): 1595180

約数列:

[1, 2, 4, 5, 10, 20, 199, 359, 398, 718, 796, 995, 1436, 1795, 1990, 3590, 3980, 7180, 71441, 142882, 285764, 357205, 714410, 1428820]

約数ペア:

[(1, 1428820), (2, 714410), (4, 357205), (5, 285764), (10, 142882), (20, 71441), (199, 7180), (359, 3980), (398, 3590), (718, 1990), (796, 1795), (995, 1436)]