8643740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2129}}^1$

素因数の和:2174

約数の個数: 48

約数和(自身を含む): 21470400

約数和(自身を除く): 12826660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 2129, 4060, 4258, 8516, 10645, 14903, 21290, 29806, 42580, 59612, 61741, 74515, 123482, 149030, 246964, 298060, 308705, 432187, 617410, 864374, 1234820, 1728748, 2160935, 4321870, 8643740]

約数ペア:

[(1, 8643740), (2, 4321870), (4, 2160935), (5, 1728748), (7, 1234820), (10, 864374), (14, 617410), (20, 432187), (28, 308705), (29, 298060), (35, 246964), (58, 149030), (70, 123482), (116, 74515), (140, 61741), (145, 59612), (203, 42580), (290, 29806), (406, 21290), (580, 14903), (812, 10645), (1015, 8516), (2030, 4258), (2129, 4060)]