201390607580

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1049}}^1\times {\mathrm{21379}}^1$

素因数の和:22886

約数の個数: 48

約数和(自身を含む): 424286100000

約数和(自身を除く): 222895492420

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1049, 1796, 2098, 2245, 4196, 4490, 5245, 8980, 10490, 20980, 21379, 42758, 85516, 106895, 213790, 427580, 471001, 942002, 1884004, 2355005, 4710010, 9420020, 9599171, 19198342, 22426571, 38396684, 44853142, 47995855, 89706284, 95991710, 112132855, 191983420, 224265710, 448531420, 10069530379, 20139060758, 40278121516, 50347651895, 100695303790, 201390607580]

約数ペア:

[(1, 201390607580), (2, 100695303790), (4, 50347651895), (5, 40278121516), (10, 20139060758), (20, 10069530379), (449, 448531420), (898, 224265710), (1049, 191983420), (1796, 112132855), (2098, 95991710), (2245, 89706284), (4196, 47995855), (4490, 44853142), (5245, 38396684), (8980, 22426571), (10490, 19198342), (20980, 9599171), (21379, 9420020), (42758, 4710010), (85516, 2355005), (106895, 1884004), (213790, 942002), (427580, 471001)]