1676980

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 3548160

約数和(自身を除く): 1871180

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 439, 764, 878, 955, 1756, 1910, 2195, 3820, 4390, 8780, 83849, 167698, 335396, 419245, 838490, 1676980]

約数ペア:

[(1, 1676980), (2, 838490), (4, 419245), (5, 335396), (10, 167698), (20, 83849), (191, 8780), (382, 4390), (439, 3820), (764, 2195), (878, 1910), (955, 1756)]