1989784370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28425491}}^1$

素因数の和:28425505

約数の個数: 16

約数和(自身を含む): 4093270848

約数和(自身を除く): 2103486478

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28425491, 56850982, 142127455, 198978437, 284254910, 397956874, 994892185, 1989784370]

約数ペア:

[(1, 1989784370), (2, 994892185), (5, 397956874), (7, 284254910), (10, 198978437), (14, 142127455), (35, 56850982), (70, 28425491)]