340808548

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{236017}}^1$

素因数の和:236059

約数の個数: 18

約数和(自身を含む): 629460006

約数和(自身を除く): 288651458

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 236017, 472034, 944068, 4484323, 8968646, 17937292, 85202137, 170404274, 340808548]

約数ペア:

[(1, 340808548), (2, 170404274), (4, 85202137), (19, 17937292), (38, 8968646), (76, 4484323), (361, 944068), (722, 472034), (1444, 236017)]