989838710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2020079}}^1$

素因数の和:2020100

約数の個数: 24

約数和(自身を含む): 2072602080

約数和(自身を除く): 1082763370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2020079, 4040158, 10100395, 14140553, 20200790, 28281106, 70702765, 98983871, 141405530, 197967742, 494919355, 989838710]

約数ペア:

[(1, 989838710), (2, 494919355), (5, 197967742), (7, 141405530), (10, 98983871), (14, 70702765), (35, 28281106), (49, 20200790), (70, 14140553), (98, 10100395), (245, 4040158), (490, 2020079)]