199205090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{3947}}^1$

素因数の和:4071

約数の個数: 48

約数和(自身を含む): 421267392

約数和(自身を除く): 222062302

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 490, 515, 721, 1030, 1442, 3605, 3947, 5047, 7210, 7894, 10094, 19735, 25235, 27629, 39470, 50470, 55258, 138145, 193403, 276290, 386806, 406541, 813082, 967015, 1934030, 2032705, 2845787, 4065410, 5691574, 14228935, 19920509, 28457870, 39841018, 99602545, 199205090]

約数ペア:

[(1, 199205090), (2, 99602545), (5, 39841018), (7, 28457870), (10, 19920509), (14, 14228935), (35, 5691574), (49, 4065410), (70, 2845787), (98, 2032705), (103, 1934030), (206, 967015), (245, 813082), (490, 406541), (515, 386806), (721, 276290), (1030, 193403), (1442, 138145), (3605, 55258), (3947, 50470), (5047, 39470), (7210, 27629), (7894, 25235), (10094, 19735)]