205998970

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{199999}}^1$

素因数の和:200109

約数の個数: 16

約数和(自身を含む): 374400000

約数和(自身を除く): 168401030

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 199999, 399998, 999995, 1999990, 20599897, 41199794, 102999485, 205998970]

約数ペア:

[(1, 205998970), (2, 102999485), (5, 41199794), (10, 20599897), (103, 1999990), (206, 999995), (515, 399998), (1030, 199999)]