125842780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{128411}}^1$

素因数の和:128434

約数の個数: 36

約数和(自身を含む): 307418328

約数和(自身を除く): 181575548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 128411, 256822, 513644, 642055, 898877, 1284110, 1797754, 2568220, 3595508, 4494385, 6292139, 8988770, 12584278, 17977540, 25168556, 31460695, 62921390, 125842780]

約数ペア:

[(1, 125842780), (2, 62921390), (4, 31460695), (5, 25168556), (7, 17977540), (10, 12584278), (14, 8988770), (20, 6292139), (28, 4494385), (35, 3595508), (49, 2568220), (70, 1797754), (98, 1284110), (140, 898877), (196, 642055), (245, 513644), (490, 256822), (980, 128411)]