209900404

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 430114048

約数和(自身を除く): 220213644

約数列:

[1, 2, 4, 7, 14, 28, 73, 103, 146, 206, 292, 412, 511, 721, 997, 1022, 1442, 1994, 2044, 2884, 3988, 6979, 7519, 13958, 15038, 27916, 30076, 52633, 72781, 102691, 105266, 145562, 205382, 210532, 291124, 410764, 509467, 718837, 1018934, 1437674, 2037868, 2875348, 7496443, 14992886, 29985772, 52475101, 104950202, 209900404]

約数ペア:

[(1, 209900404), (2, 104950202), (4, 52475101), (7, 29985772), (14, 14992886), (28, 7496443), (73, 2875348), (103, 2037868), (146, 1437674), (206, 1018934), (292, 718837), (412, 509467), (511, 410764), (721, 291124), (997, 210532), (1022, 205382), (1442, 145562), (1994, 105266), (2044, 102691), (2884, 72781), (3988, 52633), (6979, 30076), (7519, 27916), (13958, 15038)]