280484960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{250433}}^1$

素因数の和:250455

約数の個数: 48

約数和(自身を含む): 757312416

約数和(自身を除く): 476827456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 250433, 500866, 1001732, 1252165, 1753031, 2003464, 2504330, 3506062, 4006928, 5008660, 7012124, 8013856, 8765155, 10017320, 14024248, 17530310, 20034640, 28048496, 35060620, 40069280, 56096992, 70121240, 140242480, 280484960]

約数ペア:

[(1, 280484960), (2, 140242480), (4, 70121240), (5, 56096992), (7, 40069280), (8, 35060620), (10, 28048496), (14, 20034640), (16, 17530310), (20, 14024248), (28, 10017320), (32, 8765155), (35, 8013856), (40, 7012124), (56, 5008660), (70, 4006928), (80, 3506062), (112, 2504330), (140, 2003464), (160, 1753031), (224, 1252165), (280, 1001732), (560, 500866), (1120, 250433)]