208836220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{549569}}^1$

素因数の和:549597

約数の個数: 24

約数和(自身を含む): 461638800

約数和(自身を除く): 252802580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 549569, 1099138, 2198276, 2747845, 5495690, 10441811, 10991380, 20883622, 41767244, 52209055, 104418110, 208836220]

約数ペア:

[(1, 208836220), (2, 104418110), (4, 52209055), (5, 41767244), (10, 20883622), (19, 10991380), (20, 10441811), (38, 5495690), (76, 2747845), (95, 2198276), (190, 1099138), (380, 549569)]