905660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6469}}^1$

素因数の和:6485

約数の個数: 24

約数和(自身を含む): 2173920

約数和(自身を除く): 1268260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6469, 12938, 25876, 32345, 45283, 64690, 90566, 129380, 181132, 226415, 452830, 905660]

約数ペア:

[(1, 905660), (2, 452830), (4, 226415), (5, 181132), (7, 129380), (10, 90566), (14, 64690), (20, 45283), (28, 32345), (35, 25876), (70, 12938), (140, 6469)]