209980990

素因数分解:

$2^1\times 5^1\times {\mathrm{3691}}^1\times {\mathrm{5689}}^1$

素因数の和:9387

約数の個数: 16

約数和(自身を含む): 378134640

約数和(自身を除く): 168153650

約数列:

[1, 2, 5, 10, 3691, 5689, 7382, 11378, 18455, 28445, 36910, 56890, 20998099, 41996198, 104990495, 209980990]

約数ペア:

[(1, 209980990), (2, 104990495), (5, 41996198), (10, 20998099), (3691, 56890), (5689, 36910), (7382, 28445), (11378, 18455)]