7840420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{56003}}^1$

素因数の和:56019

約数の個数: 24

約数和(自身を含む): 18817344

約数和(自身を除く): 10976924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 56003, 112006, 224012, 280015, 392021, 560030, 784042, 1120060, 1568084, 1960105, 3920210, 7840420]

約数ペア:

[(1, 7840420), (2, 3920210), (4, 1960105), (5, 1568084), (7, 1120060), (10, 784042), (14, 560030), (20, 392021), (28, 280015), (35, 224012), (70, 112006), (140, 56003)]