864245140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{11321}}^1$

素因数の和:11688

約数の個数: 48

約数和(自身を含む): 1985788224

約数和(自身を除く): 1121543084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 347, 694, 1388, 1735, 3470, 3817, 6940, 7634, 11321, 15268, 19085, 22642, 38170, 45284, 56605, 76340, 113210, 124531, 226420, 249062, 498124, 622655, 1245310, 2490620, 3928387, 7856774, 15713548, 19641935, 39283870, 43212257, 78567740, 86424514, 172849028, 216061285, 432122570, 864245140]

約数ペア:

[(1, 864245140), (2, 432122570), (4, 216061285), (5, 172849028), (10, 86424514), (11, 78567740), (20, 43212257), (22, 39283870), (44, 19641935), (55, 15713548), (110, 7856774), (220, 3928387), (347, 2490620), (694, 1245310), (1388, 622655), (1735, 498124), (3470, 249062), (3817, 226420), (6940, 124531), (7634, 113210), (11321, 76340), (15268, 56605), (19085, 45284), (22642, 38170)]