53688740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1987}}^1$

素因数の和:2196

約数の個数: 48

約数和(自身を含む): 129585792

約数和(自身を除く): 75897052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 1987, 2702, 3860, 3974, 5404, 6755, 7948, 9935, 13510, 13909, 19870, 27020, 27818, 39740, 55636, 69545, 139090, 278180, 383491, 766982, 1533964, 1917455, 2684437, 3834910, 5368874, 7669820, 10737748, 13422185, 26844370, 53688740]

約数ペア:

[(1, 53688740), (2, 26844370), (4, 13422185), (5, 10737748), (7, 7669820), (10, 5368874), (14, 3834910), (20, 2684437), (28, 1917455), (35, 1533964), (70, 766982), (140, 383491), (193, 278180), (386, 139090), (772, 69545), (965, 55636), (1351, 39740), (1930, 27818), (1987, 27020), (2702, 19870), (3860, 13909), (3974, 13510), (5404, 9935), (6755, 7948)]