127745660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{912469}}^1$

素因数の和:912485

約数の個数: 24

約数和(自身を含む): 306589920

約数和(自身を除く): 178844260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 912469, 1824938, 3649876, 4562345, 6387283, 9124690, 12774566, 18249380, 25549132, 31936415, 63872830, 127745660]

約数ペア:

[(1, 127745660), (2, 63872830), (4, 31936415), (5, 25549132), (7, 18249380), (10, 12774566), (14, 9124690), (20, 6387283), (28, 4562345), (35, 3649876), (70, 1824938), (140, 912469)]