164865140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{2441}}^1$

素因数の和:2768

約数の個数: 48

約数和(自身を含む): 379076544

約数和(自身を除く): 214211404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 307, 614, 1228, 1535, 2441, 3070, 3377, 4882, 6140, 6754, 9764, 12205, 13508, 16885, 24410, 26851, 33770, 48820, 53702, 67540, 107404, 134255, 268510, 537020, 749387, 1498774, 2997548, 3746935, 7493870, 8243257, 14987740, 16486514, 32973028, 41216285, 82432570, 164865140]

約数ペア:

[(1, 164865140), (2, 82432570), (4, 41216285), (5, 32973028), (10, 16486514), (11, 14987740), (20, 8243257), (22, 7493870), (44, 3746935), (55, 2997548), (110, 1498774), (220, 749387), (307, 537020), (614, 268510), (1228, 134255), (1535, 107404), (2441, 67540), (3070, 53702), (3377, 48820), (4882, 33770), (6140, 26851), (6754, 24410), (9764, 16885), (12205, 13508)]