8993740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 21756672

約数和(自身を除く): 12762932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 283, 454, 566, 908, 1132, 1135, 1415, 1589, 1981, 2270, 2830, 3178, 3962, 4540, 5660, 6356, 7924, 7945, 9905, 15890, 19810, 31780, 39620, 64241, 128482, 256964, 321205, 449687, 642410, 899374, 1284820, 1798748, 2248435, 4496870, 8993740]

約数ペア:

[(1, 8993740), (2, 4496870), (4, 2248435), (5, 1798748), (7, 1284820), (10, 899374), (14, 642410), (20, 449687), (28, 321205), (35, 256964), (70, 128482), (140, 64241), (227, 39620), (283, 31780), (454, 19810), (566, 15890), (908, 9905), (1132, 7945), (1135, 7924), (1415, 6356), (1589, 5660), (1981, 4540), (2270, 3962), (2830, 3178)]