124289780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{3361}}^1$

素因数の和:3456

約数の個数: 36

約数和(自身を含む): 267299172

約数和(自身を除く): 143009392

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 3361, 3698, 6722, 7396, 9245, 13444, 16805, 18490, 33610, 36980, 67220, 144523, 289046, 578092, 722615, 1445230, 2890460, 6214489, 12428978, 24857956, 31072445, 62144890, 124289780]

約数ペア:

[(1, 124289780), (2, 62144890), (4, 31072445), (5, 24857956), (10, 12428978), (20, 6214489), (43, 2890460), (86, 1445230), (172, 722615), (215, 578092), (430, 289046), (860, 144523), (1849, 67220), (3361, 36980), (3698, 33610), (6722, 18490), (7396, 16805), (9245, 13444)]