2231140

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 4713912

約数和(自身を除く): 2482772

約数列:

[1, 2, 4, 5, 10, 20, 281, 397, 562, 794, 1124, 1405, 1588, 1985, 2810, 3970, 5620, 7940, 111557, 223114, 446228, 557785, 1115570, 2231140]

約数ペア:

[(1, 2231140), (2, 1115570), (4, 557785), (5, 446228), (10, 223114), (20, 111557), (281, 7940), (397, 5620), (562, 3970), (794, 2810), (1124, 1985), (1405, 1588)]