679286740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{280697}}^1$

素因数の和:280728

約数の個数: 36

約数和(自身を含む): 1567979028

約数和(自身を除く): 888692288

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 280697, 561394, 1122788, 1403485, 2806970, 3087667, 5613940, 6175334, 12350668, 15438335, 30876670, 33964337, 61753340, 67928674, 135857348, 169821685, 339643370, 679286740]

約数ペア:

[(1, 679286740), (2, 339643370), (4, 169821685), (5, 135857348), (10, 67928674), (11, 61753340), (20, 33964337), (22, 30876670), (44, 15438335), (55, 12350668), (110, 6175334), (121, 5613940), (220, 3087667), (242, 2806970), (484, 1403485), (605, 1122788), (1210, 561394), (2420, 280697)]