1954180

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 4132800

約数和(自身を除く): 2178620

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 491, 796, 982, 995, 1964, 1990, 2455, 3980, 4910, 9820, 97709, 195418, 390836, 488545, 977090, 1954180]

約数ペア:

[(1, 1954180), (2, 977090), (4, 488545), (5, 390836), (10, 195418), (20, 97709), (199, 9820), (398, 4910), (491, 3980), (796, 2455), (982, 1990), (995, 1964)]