71317180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1811}}^1$

素因数の和:2010

約数の個数: 48

約数和(自身を含む): 164384640

約数和(自身を除く): 93067460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1811, 1969, 3580, 3622, 3938, 7244, 7876, 9055, 9845, 18110, 19690, 19921, 36220, 39380, 39842, 79684, 99605, 199210, 324169, 398420, 648338, 1296676, 1620845, 3241690, 3565859, 6483380, 7131718, 14263436, 17829295, 35658590, 71317180]

約数ペア:

[(1, 71317180), (2, 35658590), (4, 17829295), (5, 14263436), (10, 7131718), (11, 6483380), (20, 3565859), (22, 3241690), (44, 1620845), (55, 1296676), (110, 648338), (179, 398420), (220, 324169), (358, 199210), (716, 99605), (895, 79684), (1790, 39842), (1811, 39380), (1969, 36220), (3580, 19921), (3622, 19690), (3938, 18110), (7244, 9845), (7876, 9055)]