86417660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{617269}}^1$

素因数の和:617285

約数の個数: 24

約数和(自身を含む): 207402720

約数和(自身を除く): 120985060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 617269, 1234538, 2469076, 3086345, 4320883, 6172690, 8641766, 12345380, 17283532, 21604415, 43208830, 86417660]

約数ペア:

[(1, 86417660), (2, 43208830), (4, 21604415), (5, 17283532), (7, 12345380), (10, 8641766), (14, 6172690), (20, 4320883), (28, 3086345), (35, 2469076), (70, 1234538), (140, 617269)]