127788980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{580859}}^1$

素因数の和:580879

約数の個数: 24

約数和(自身を含む): 292753440

約数和(自身を除く): 164964460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 580859, 1161718, 2323436, 2904295, 5808590, 6389449, 11617180, 12778898, 25557796, 31947245, 63894490, 127788980]

約数ペア:

[(1, 127788980), (2, 63894490), (4, 31947245), (5, 25557796), (10, 12778898), (11, 11617180), (20, 6389449), (22, 5808590), (44, 2904295), (55, 2323436), (110, 1161718), (220, 580859)]