2199580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1629

約数の個数: 24

約数和(自身を含む): 4687200

約数和(自身を除く): 2487620

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1549, 3098, 6196, 7745, 15490, 30980, 109979, 219958, 439916, 549895, 1099790, 2199580]

約数ペア:

[(1, 2199580), (2, 1099790), (4, 549895), (5, 439916), (10, 219958), (20, 109979), (71, 30980), (142, 15490), (284, 7745), (355, 6196), (710, 3098), (1420, 1549)]