89485480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{319591}}^1$

素因数の和:319609

約数の個数: 32

約数和(自身を含む): 230106240

約数和(自身を除く): 140620760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 319591, 639182, 1278364, 1597955, 2237137, 2556728, 3195910, 4474274, 6391820, 8948548, 11185685, 12783640, 17897096, 22371370, 44742740, 89485480]

約数ペア:

[(1, 89485480), (2, 44742740), (4, 22371370), (5, 17897096), (7, 12783640), (8, 11185685), (10, 8948548), (14, 6391820), (20, 4474274), (28, 3195910), (35, 2556728), (40, 2237137), (56, 1597955), (70, 1278364), (140, 639182), (280, 319591)]