291288580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1324039}}^1$

素因数の和:1324059

約数の個数: 24

約数和(自身を含む): 667316160

約数和(自身を除く): 376027580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1324039, 2648078, 5296156, 6620195, 13240390, 14564429, 26480780, 29128858, 58257716, 72822145, 145644290, 291288580]

約数ペア:

[(1, 291288580), (2, 145644290), (4, 72822145), (5, 58257716), (10, 29128858), (11, 26480780), (20, 14564429), (22, 13240390), (44, 6620195), (55, 5296156), (110, 2648078), (220, 1324039)]