1980790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28297}}^1$

素因数の和:28311

約数の個数: 16

約数和(自身を含む): 4074912

約数和(自身を除く): 2094122

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28297, 56594, 141485, 198079, 282970, 396158, 990395, 1980790]

約数ペア:

[(1, 1980790), (2, 990395), (5, 396158), (7, 282970), (10, 198079), (14, 141485), (35, 56594), (70, 28297)]