22785500

素因数分解:

$2^2\times 5^3\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 50232000

約数和(自身を除く): 27446500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 199, 229, 250, 398, 458, 500, 796, 916, 995, 1145, 1990, 2290, 3980, 4580, 4975, 5725, 9950, 11450, 19900, 22900, 24875, 28625, 45571, 49750, 57250, 91142, 99500, 114500, 182284, 227855, 455710, 911420, 1139275, 2278550, 4557100, 5696375, 11392750, 22785500]

約数ペア:

[(1, 22785500), (2, 11392750), (4, 5696375), (5, 4557100), (10, 2278550), (20, 1139275), (25, 911420), (50, 455710), (100, 227855), (125, 182284), (199, 114500), (229, 99500), (250, 91142), (398, 57250), (458, 49750), (500, 45571), (796, 28625), (916, 24875), (995, 22900), (1145, 19900), (1990, 11450), (2290, 9950), (3980, 5725), (4580, 4975)]