266842180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1212919}}^1$

素因数の和:1212939

約数の個数: 24

約数和(自身を含む): 611311680

約数和(自身を除く): 344469500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1212919, 2425838, 4851676, 6064595, 12129190, 13342109, 24258380, 26684218, 53368436, 66710545, 133421090, 266842180]

約数ペア:

[(1, 266842180), (2, 133421090), (4, 66710545), (5, 53368436), (10, 26684218), (11, 24258380), (20, 13342109), (22, 12129190), (44, 6064595), (55, 4851676), (110, 2425838), (220, 1212919)]