205509380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{218627}}^1$

素因数の和:218683

約数の個数: 24

約数和(自身を含む): 440754048

約数和(自身を除く): 235244668

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 218627, 437254, 874508, 1093135, 2186270, 4372540, 10275469, 20550938, 41101876, 51377345, 102754690, 205509380]

約数ペア:

[(1, 205509380), (2, 102754690), (4, 51377345), (5, 41101876), (10, 20550938), (20, 10275469), (47, 4372540), (94, 2186270), (188, 1093135), (235, 874508), (470, 437254), (940, 218627)]