209519990

素因数分解:

$2^1\times 5^1\times {\mathrm{2851}}^1\times {\mathrm{7349}}^1$

素因数の和:10207

約数の個数: 16

約数和(自身を含む): 377319600

約数和(自身を除く): 167799610

約数列:

[1, 2, 5, 10, 2851, 5702, 7349, 14255, 14698, 28510, 36745, 73490, 20951999, 41903998, 104759995, 209519990]

約数ペア:

[(1, 209519990), (2, 104759995), (5, 41903998), (10, 20951999), (2851, 73490), (5702, 36745), (7349, 28510), (14255, 14698)]