669133780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{10789}}^1$

素因数の和:11248

約数の個数: 48

約数和(自身を含む): 1609695360

約数和(自身を除く): 940561580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 443, 886, 1772, 2215, 3101, 4430, 6202, 8860, 10789, 12404, 15505, 21578, 31010, 43156, 53945, 62020, 75523, 107890, 151046, 215780, 302092, 377615, 755230, 1510460, 4779527, 9559054, 19118108, 23897635, 33456689, 47795270, 66913378, 95590540, 133826756, 167283445, 334566890, 669133780]

約数ペア:

[(1, 669133780), (2, 334566890), (4, 167283445), (5, 133826756), (7, 95590540), (10, 66913378), (14, 47795270), (20, 33456689), (28, 23897635), (35, 19118108), (70, 9559054), (140, 4779527), (443, 1510460), (886, 755230), (1772, 377615), (2215, 302092), (3101, 215780), (4430, 151046), (6202, 107890), (8860, 75523), (10789, 62020), (12404, 53945), (15505, 43156), (21578, 31010)]