682780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4877}}^1$

素因数の和:4893

約数の個数: 24

約数和(自身を含む): 1639008

約数和(自身を除く): 956228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4877, 9754, 19508, 24385, 34139, 48770, 68278, 97540, 136556, 170695, 341390, 682780]

約数ペア:

[(1, 682780), (2, 341390), (4, 170695), (5, 136556), (7, 97540), (10, 68278), (14, 48770), (20, 34139), (28, 24385), (35, 19508), (70, 9754), (140, 4877)]