164987480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{589241}}^1$

素因数の和:589259

約数の個数: 32

約数和(自身を含む): 424254240

約数和(自身を除く): 259266760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 589241, 1178482, 2356964, 2946205, 4124687, 4713928, 5892410, 8249374, 11784820, 16498748, 20623435, 23569640, 32997496, 41246870, 82493740, 164987480]

約数ペア:

[(1, 164987480), (2, 82493740), (4, 41246870), (5, 32997496), (7, 23569640), (8, 20623435), (10, 16498748), (14, 11784820), (20, 8249374), (28, 5892410), (35, 4713928), (40, 4124687), (56, 2946205), (70, 2356964), (140, 1178482), (280, 589241)]