129277540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{923411}}^1$

素因数の和:923427

約数の個数: 24

約数和(自身を含む): 310266432

約数和(自身を除く): 180988892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 923411, 1846822, 3693644, 4617055, 6463877, 9234110, 12927754, 18468220, 25855508, 32319385, 64638770, 129277540]

約数ペア:

[(1, 129277540), (2, 64638770), (4, 32319385), (5, 25855508), (7, 18468220), (10, 12927754), (14, 9234110), (20, 6463877), (28, 4617055), (35, 3693644), (70, 1846822), (140, 923411)]