42998000

素因数分解:

$2^4\times 5^3\times {\mathrm{21499}}^1$

素因数の和:21522

約数の個数: 40

約数和(自身を含む): 103974000

約数和(自身を除く): 60976000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 21499, 42998, 85996, 107495, 171992, 214990, 343984, 429980, 537475, 859960, 1074950, 1719920, 2149900, 2687375, 4299800, 5374750, 8599600, 10749500, 21499000, 42998000]

約数ペア:

[(1, 42998000), (2, 21499000), (4, 10749500), (5, 8599600), (8, 5374750), (10, 4299800), (16, 2687375), (20, 2149900), (25, 1719920), (40, 1074950), (50, 859960), (80, 537475), (100, 429980), (125, 343984), (200, 214990), (250, 171992), (400, 107495), (500, 85996), (1000, 42998), (2000, 21499)]