289280180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2066287}}^1$

素因数の和:2066303

約数の個数: 24

約数和(自身を含む): 694272768

約数和(自身を除く): 404992588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2066287, 4132574, 8265148, 10331435, 14464009, 20662870, 28928018, 41325740, 57856036, 72320045, 144640090, 289280180]

約数ペア:

[(1, 289280180), (2, 144640090), (4, 72320045), (5, 57856036), (7, 41325740), (10, 28928018), (14, 20662870), (20, 14464009), (28, 10331435), (35, 8265148), (70, 4132574), (140, 2066287)]