90847540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{648911}}^1$

素因数の和:648927

約数の個数: 24

約数和(自身を含む): 218034432

約数和(自身を除く): 127186892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 648911, 1297822, 2595644, 3244555, 4542377, 6489110, 9084754, 12978220, 18169508, 22711885, 45423770, 90847540]

約数ペア:

[(1, 90847540), (2, 45423770), (4, 22711885), (5, 18169508), (7, 12978220), (10, 9084754), (14, 6489110), (20, 4542377), (28, 3244555), (35, 2595644), (70, 1297822), (140, 648911)]