788474740

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{206407}}^1$

素因数の和:206607

約数の個数: 24

約数和(自身を含む): 1664474112

約数和(自身を除く): 875999372

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 206407, 412814, 825628, 1032035, 2064070, 4128140, 39423737, 78847474, 157694948, 197118685, 394237370, 788474740]

約数ペア:

[(1, 788474740), (2, 394237370), (4, 197118685), (5, 157694948), (10, 78847474), (20, 39423737), (191, 4128140), (382, 2064070), (764, 1032035), (955, 825628), (1910, 412814), (3820, 206407)]