209800

素因数分解:

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

素因数の和:1065

約数の個数: 24

約数和(自身を含む): 488250

約数和(自身を除く): 278450

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1049, 2098, 4196, 5245, 8392, 10490, 20980, 26225, 41960, 52450, 104900, 209800]

約数ペア:

[(1, 209800), (2, 104900), (4, 52450), (5, 41960), (8, 26225), (10, 20980), (20, 10490), (25, 8392), (40, 5245), (50, 4196), (100, 2098), (200, 1049)]