860190980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3909959}}^1$

素因数の和:3909979

約数の個数: 24

約数和(自身を含む): 1970619840

約数和(自身を除く): 1110428860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3909959, 7819918, 15639836, 19549795, 39099590, 43009549, 78199180, 86019098, 172038196, 215047745, 430095490, 860190980]

約数ペア:

[(1, 860190980), (2, 430095490), (4, 215047745), (5, 172038196), (10, 86019098), (11, 78199180), (20, 43009549), (22, 39099590), (44, 19549795), (55, 15639836), (110, 7819918), (220, 3909959)]