200025980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{129887}}^1$

素因数の和:129914

約数の個数: 48

約数和(自身を含む): 523708416

約数和(自身を除く): 323682436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 129887, 259774, 519548, 649435, 909209, 1298870, 1428757, 1818418, 2597740, 2857514, 3636836, 4546045, 5715028, 7143785, 9092090, 10001299, 14287570, 18184180, 20002598, 28575140, 40005196, 50006495, 100012990, 200025980]

約数ペア:

[(1, 200025980), (2, 100012990), (4, 50006495), (5, 40005196), (7, 28575140), (10, 20002598), (11, 18184180), (14, 14287570), (20, 10001299), (22, 9092090), (28, 7143785), (35, 5715028), (44, 4546045), (55, 3636836), (70, 2857514), (77, 2597740), (110, 1818418), (140, 1428757), (154, 1298870), (220, 909209), (308, 649435), (385, 519548), (770, 259774), (1540, 129887)]