391025140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{3191}}^1$

素因数の和:3768

約数の個数: 48

約数和(自身を含む): 897692544

約数和(自身を除く): 506667404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 557, 1114, 2228, 2785, 3191, 5570, 6127, 6382, 11140, 12254, 12764, 15955, 24508, 30635, 31910, 35101, 61270, 63820, 70202, 122540, 140404, 175505, 351010, 702020, 1777387, 3554774, 7109548, 8886935, 17773870, 19551257, 35547740, 39102514, 78205028, 97756285, 195512570, 391025140]

約数ペア:

[(1, 391025140), (2, 195512570), (4, 97756285), (5, 78205028), (10, 39102514), (11, 35547740), (20, 19551257), (22, 17773870), (44, 8886935), (55, 7109548), (110, 3554774), (220, 1777387), (557, 702020), (1114, 351010), (2228, 175505), (2785, 140404), (3191, 122540), (5570, 70202), (6127, 63820), (6382, 61270), (11140, 35101), (12254, 31910), (12764, 30635), (15955, 24508)]