308047460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2200339}}^1$

素因数の和:2200355

約数の個数: 24

約数和(自身を含む): 739314240

約数和(自身を除く): 431266780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2200339, 4400678, 8801356, 11001695, 15402373, 22003390, 30804746, 44006780, 61609492, 77011865, 154023730, 308047460]

約数ペア:

[(1, 308047460), (2, 154023730), (4, 77011865), (5, 61609492), (7, 44006780), (10, 30804746), (14, 22003390), (20, 15402373), (28, 11001695), (35, 8801356), (70, 4400678), (140, 2200339)]