129328360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461887}}^1$

素因数の和:461905

約数の個数: 32

約数和(自身を含む): 332559360

約数和(自身を除く): 203231000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461887, 923774, 1847548, 2309435, 3233209, 3695096, 4618870, 6466418, 9237740, 12932836, 16166045, 18475480, 25865672, 32332090, 64664180, 129328360]

約数ペア:

[(1, 129328360), (2, 64664180), (4, 32332090), (5, 25865672), (7, 18475480), (8, 16166045), (10, 12932836), (14, 9237740), (20, 6466418), (28, 4618870), (35, 3695096), (40, 3233209), (56, 2309435), (70, 1847548), (140, 923774), (280, 461887)]