9949990

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2851}}^1$

素因数の和:3207

約数の個数: 16

約数和(自身を含む): 17967600

約数和(自身を除く): 8017610

約数列:

[1, 2, 5, 10, 349, 698, 1745, 2851, 3490, 5702, 14255, 28510, 994999, 1989998, 4974995, 9949990]

約数ペア:

[(1, 9949990), (2, 4974995), (5, 1989998), (10, 994999), (349, 28510), (698, 14255), (1745, 5702), (2851, 3490)]