166820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 369600

約数和(自身を除く): 202780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 439, 878, 1756, 2195, 4390, 8341, 8780, 16682, 33364, 41705, 83410, 166820]

約数ペア:

[(1, 166820), (2, 83410), (4, 41705), (5, 33364), (10, 16682), (19, 8780), (20, 8341), (38, 4390), (76, 2195), (95, 1756), (190, 878), (380, 439)]