2278550

素因数分解:

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

素因数の和:440

約数の個数: 24

約数和(自身を含む): 4278000

約数和(自身を除く): 1999450

約数列:

[1, 2, 5, 10, 25, 50, 199, 229, 398, 458, 995, 1145, 1990, 2290, 4975, 5725, 9950, 11450, 45571, 91142, 227855, 455710, 1139275, 2278550]

約数ペア:

[(1, 2278550), (2, 1139275), (5, 455710), (10, 227855), (25, 91142), (50, 45571), (199, 11450), (229, 9950), (398, 5725), (458, 4975), (995, 2290), (1145, 1990)]