2808680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1433}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 7356420

約数和(自身を除く): 4547740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1433, 1960, 2866, 5732, 7165, 10031, 11464, 14330, 20062, 28660, 40124, 50155, 57320, 70217, 80248, 100310, 140434, 200620, 280868, 351085, 401240, 561736, 702170, 1404340, 2808680]

約数ペア:

[(1, 2808680), (2, 1404340), (4, 702170), (5, 561736), (7, 401240), (8, 351085), (10, 280868), (14, 200620), (20, 140434), (28, 100310), (35, 80248), (40, 70217), (49, 57320), (56, 50155), (70, 40124), (98, 28660), (140, 20062), (196, 14330), (245, 11464), (280, 10031), (392, 7165), (490, 5732), (980, 2866), (1433, 1960)]