138631010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1980443}}^1$

素因数の和:1980457

約数の個数: 16

約数和(自身を含む): 285183936

約数和(自身を除く): 146552926

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1980443, 3960886, 9902215, 13863101, 19804430, 27726202, 69315505, 138631010]

約数ペア:

[(1, 138631010), (2, 69315505), (5, 27726202), (7, 19804430), (10, 13863101), (14, 9902215), (35, 3960886), (70, 1980443)]