30907970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71879}}^1$

素因数の和:71929

約数の個数: 16

約数和(自身を含む): 56928960

約数和(自身を除く): 26020990

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 71879, 143758, 359395, 718790, 3090797, 6181594, 15453985, 30907970]

約数ペア:

[(1, 30907970), (2, 15453985), (5, 6181594), (10, 3090797), (43, 718790), (86, 359395), (215, 143758), (430, 71879)]