951220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 2016000

約数和(自身を除く): 1064780

約数列:

[1, 2, 4, 5, 10, 20, 199, 239, 398, 478, 796, 956, 995, 1195, 1990, 2390, 3980, 4780, 47561, 95122, 190244, 237805, 475610, 951220]

約数ペア:

[(1, 951220), (2, 475610), (4, 237805), (5, 190244), (10, 95122), (20, 47561), (199, 4780), (239, 3980), (398, 2390), (478, 1990), (796, 1195), (956, 995)]