870864380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1012633}}^1$

素因数の和:1012685

約数の個数: 24

約数和(自身を含む): 1871347632

約数和(自身を除く): 1000483252

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1012633, 2025266, 4050532, 5063165, 10126330, 20252660, 43543219, 87086438, 174172876, 217716095, 435432190, 870864380]

約数ペア:

[(1, 870864380), (2, 435432190), (4, 217716095), (5, 174172876), (10, 87086438), (20, 43543219), (43, 20252660), (86, 10126330), (172, 5063165), (215, 4050532), (430, 2025266), (860, 1012633)]