222749360

素因数分解:

$2^4\times 5^1\times {\mathrm{2784367}}^1$

素因数の和:2784380

約数の個数: 20

約数和(自身を含む): 517892448

約数和(自身を除く): 295143088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2784367, 5568734, 11137468, 13921835, 22274936, 27843670, 44549872, 55687340, 111374680, 222749360]

約数ペア:

[(1, 222749360), (2, 111374680), (4, 55687340), (5, 44549872), (8, 27843670), (10, 22274936), (16, 13921835), (20, 11137468), (40, 5568734), (80, 2784367)]