83438740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54181}}^1$

素因数の和:54208

約数の個数: 48

約数和(自身を含む): 218461824

約数和(自身を除く): 135023084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 54181, 108362, 216724, 270905, 379267, 541810, 595991, 758534, 1083620, 1191982, 1517068, 1896335, 2383964, 2979955, 3792670, 4171937, 5959910, 7585340, 8343874, 11919820, 16687748, 20859685, 41719370, 83438740]

約数ペア:

[(1, 83438740), (2, 41719370), (4, 20859685), (5, 16687748), (7, 11919820), (10, 8343874), (11, 7585340), (14, 5959910), (20, 4171937), (22, 3792670), (28, 2979955), (35, 2383964), (44, 1896335), (55, 1517068), (70, 1191982), (77, 1083620), (110, 758534), (140, 595991), (154, 541810), (220, 379267), (308, 270905), (385, 216724), (770, 108362), (1540, 54181)]