201845500

素因数分解:

$2^2\times 5^3\times {\mathrm{499}}^1\times {\mathrm{809}}^1$

素因数の和:1327

約数の個数: 48

約数和(自身を含む): 442260000

約数和(自身を除く): 240414500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 499, 500, 809, 998, 1618, 1996, 2495, 3236, 4045, 4990, 8090, 9980, 12475, 16180, 20225, 24950, 40450, 49900, 62375, 80900, 101125, 124750, 202250, 249500, 403691, 404500, 807382, 1614764, 2018455, 4036910, 8073820, 10092275, 20184550, 40369100, 50461375, 100922750, 201845500]

約数ペア:

[(1, 201845500), (2, 100922750), (4, 50461375), (5, 40369100), (10, 20184550), (20, 10092275), (25, 8073820), (50, 4036910), (100, 2018455), (125, 1614764), (250, 807382), (499, 404500), (500, 403691), (809, 249500), (998, 202250), (1618, 124750), (1996, 101125), (2495, 80900), (3236, 62375), (4045, 49900), (4990, 40450), (8090, 24950), (9980, 20225), (12475, 16180)]