2009721910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28710313}}^1$

素因数の和:28710327

約数の個数: 16

約数和(自身を含む): 4134285216

約数和(自身を除く): 2124563306

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28710313, 57420626, 143551565, 200972191, 287103130, 401944382, 1004860955, 2009721910]

約数ペア:

[(1, 2009721910), (2, 1004860955), (5, 401944382), (7, 287103130), (10, 200972191), (14, 143551565), (35, 57420626), (70, 28710313)]