212801620

素因数分解:

$2^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{6869}}^1$

素因数の和:8427

約数の個数: 24

約数和(自身を含む): 447237000

約数和(自身を除く): 234435380

約数列:

[1, 2, 4, 5, 10, 20, 1549, 3098, 6196, 6869, 7745, 13738, 15490, 27476, 30980, 34345, 68690, 137380, 10640081, 21280162, 42560324, 53200405, 106400810, 212801620]

約数ペア:

[(1, 212801620), (2, 106400810), (4, 53200405), (5, 42560324), (10, 21280162), (20, 10640081), (1549, 137380), (3098, 68690), (6196, 34345), (6869, 30980), (7745, 27476), (13738, 15490)]