2491420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2897}}^1$

素因数の和:2949

約数の個数: 24

約数和(自身を含む): 5355504

約数和(自身を除く): 2864084

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2897, 5794, 11588, 14485, 28970, 57940, 124571, 249142, 498284, 622855, 1245710, 2491420]

約数ペア:

[(1, 2491420), (2, 1245710), (4, 622855), (5, 498284), (10, 249142), (20, 124571), (43, 57940), (86, 28970), (172, 14485), (215, 11588), (430, 5794), (860, 2897)]