843839740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{981209}}^1$

素因数の和:981261

約数の個数: 24

約数和(自身を含む): 1813276080

約数和(自身を除く): 969436340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 981209, 1962418, 3924836, 4906045, 9812090, 19624180, 42191987, 84383974, 168767948, 210959935, 421919870, 843839740]

約数ペア:

[(1, 843839740), (2, 421919870), (4, 210959935), (5, 168767948), (10, 84383974), (20, 42191987), (43, 19624180), (86, 9812090), (172, 4906045), (215, 3924836), (430, 1962418), (860, 981209)]