728566780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1917281}}^1$

素因数の和:1917309

約数の個数: 24

約数和(自身を含む): 1610516880

約数和(自身を除く): 881950100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1917281, 3834562, 7669124, 9586405, 19172810, 36428339, 38345620, 72856678, 145713356, 182141695, 364283390, 728566780]

約数ペア:

[(1, 728566780), (2, 364283390), (4, 182141695), (5, 145713356), (10, 72856678), (19, 38345620), (20, 36428339), (38, 19172810), (76, 9586405), (95, 7669124), (190, 3834562), (380, 1917281)]