284698240

素因数分解:

$2^7\times 5^1\times {\mathrm{444841}}^1$

素因数の和:444860

約数の個数: 32

約数和(自身を含む): 680608260

約数和(自身を除く): 395910020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 444841, 889682, 1779364, 2224205, 3558728, 4448410, 7117456, 8896820, 14234912, 17793640, 28469824, 35587280, 56939648, 71174560, 142349120, 284698240]

約数ペア:

[(1, 284698240), (2, 142349120), (4, 71174560), (5, 56939648), (8, 35587280), (10, 28469824), (16, 17793640), (20, 14234912), (32, 8896820), (40, 7117456), (64, 4448410), (80, 3558728), (128, 2224205), (160, 1779364), (320, 889682), (640, 444841)]