2098000

素因数分解:

$2^4\times 5^3\times {\mathrm{1049}}^1$

素因数の和:1072

約数の個数: 40

約数和(自身を含む): 5077800

約数和(自身を除く): 2979800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 1049, 2000, 2098, 4196, 5245, 8392, 10490, 16784, 20980, 26225, 41960, 52450, 83920, 104900, 131125, 209800, 262250, 419600, 524500, 1049000, 2098000]

約数ペア:

[(1, 2098000), (2, 1049000), (4, 524500), (5, 419600), (8, 262250), (10, 209800), (16, 131125), (20, 104900), (25, 83920), (40, 52450), (50, 41960), (80, 26225), (100, 20980), (125, 16784), (200, 10490), (250, 8392), (400, 5245), (500, 4196), (1000, 2098), (1049, 2000)]