389628580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1771039}}^1$

素因数の和:1771059

約数の個数: 24

約数和(自身を含む): 892604160

約数和(自身を除く): 502975580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1771039, 3542078, 7084156, 8855195, 17710390, 19481429, 35420780, 38962858, 77925716, 97407145, 194814290, 389628580]

約数ペア:

[(1, 389628580), (2, 194814290), (4, 97407145), (5, 77925716), (10, 38962858), (11, 35420780), (20, 19481429), (22, 17710390), (44, 8855195), (55, 7084156), (110, 3542078), (220, 1771039)]