1289260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9209}}^1$

素因数の和:9225

約数の個数: 24

約数和(自身を含む): 3094560

約数和(自身を除く): 1805300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9209, 18418, 36836, 46045, 64463, 92090, 128926, 184180, 257852, 322315, 644630, 1289260]

約数ペア:

[(1, 1289260), (2, 644630), (4, 322315), (5, 257852), (7, 184180), (10, 128926), (14, 92090), (20, 64463), (28, 46045), (35, 36836), (70, 18418), (140, 9209)]