207907140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{495017}}^1$

素因数の和:495036

約数の個数: 48

約数和(自身を含む): 665304192

約数和(自身を除く): 457397052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 495017, 990034, 1485051, 1980068, 2475085, 2970102, 3465119, 4950170, 5940204, 6930238, 7425255, 9900340, 10395357, 13860476, 14850510, 17325595, 20790714, 29701020, 34651190, 41581428, 51976785, 69302380, 103953570, 207907140]

約数ペア:

[(1, 207907140), (2, 103953570), (3, 69302380), (4, 51976785), (5, 41581428), (6, 34651190), (7, 29701020), (10, 20790714), (12, 17325595), (14, 14850510), (15, 13860476), (20, 10395357), (21, 9900340), (28, 7425255), (30, 6930238), (35, 5940204), (42, 4950170), (60, 3465119), (70, 2970102), (84, 2475085), (105, 1980068), (140, 1485051), (210, 990034), (420, 495017)]