284296120

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{5557}}^1$

素因数の和:6847

約数の個数: 32

約数和(自身を含む): 640281600

約数和(自身を除く): 355985480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 2558, 5116, 5557, 6395, 10232, 11114, 12790, 22228, 25580, 27785, 44456, 51160, 55570, 111140, 222280, 7107403, 14214806, 28429612, 35537015, 56859224, 71074030, 142148060, 284296120]

約数ペア:

[(1, 284296120), (2, 142148060), (4, 71074030), (5, 56859224), (8, 35537015), (10, 28429612), (20, 14214806), (40, 7107403), (1279, 222280), (2558, 111140), (5116, 55570), (5557, 51160), (6395, 44456), (10232, 27785), (11114, 25580), (12790, 22228)]