220214960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{393241}}^1$

素因数の和:393261

約数の個数: 40

約数和(自身を含む): 585144096

約数和(自身を除く): 364929136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 393241, 786482, 1572964, 1966205, 2752687, 3145928, 3932410, 5505374, 6291856, 7864820, 11010748, 13763435, 15729640, 22021496, 27526870, 31459280, 44042992, 55053740, 110107480, 220214960]

約数ペア:

[(1, 220214960), (2, 110107480), (4, 55053740), (5, 44042992), (7, 31459280), (8, 27526870), (10, 22021496), (14, 15729640), (16, 13763435), (20, 11010748), (28, 7864820), (35, 6291856), (40, 5505374), (56, 3932410), (70, 3145928), (80, 2752687), (112, 1966205), (140, 1572964), (280, 786482), (560, 393241)]