389780415080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1392072911}}^1$

素因数の和:1392072929

約数の個数: 32

約数和(自身を含む): 1002292496640

約数和(自身を除く): 612512081560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1392072911, 2784145822, 5568291644, 6960364555, 9744510377, 11136583288, 13920729110, 19489020754, 27841458220, 38978041508, 48722551885, 55682916440, 77956083016, 97445103770, 194890207540, 389780415080]

約数ペア:

[(1, 389780415080), (2, 194890207540), (4, 97445103770), (5, 77956083016), (7, 55682916440), (8, 48722551885), (10, 38978041508), (14, 27841458220), (20, 19489020754), (28, 13920729110), (35, 11136583288), (40, 9744510377), (56, 6960364555), (70, 5568291644), (140, 2784145822), (280, 1392072911)]