3969140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28351}}^1$

素因数の和:28367

約数の個数: 24

約数和(自身を含む): 9526272

約数和(自身を除く): 5557132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28351, 56702, 113404, 141755, 198457, 283510, 396914, 567020, 793828, 992285, 1984570, 3969140]

約数ペア:

[(1, 3969140), (2, 1984570), (4, 992285), (5, 793828), (7, 567020), (10, 396914), (14, 283510), (20, 198457), (28, 141755), (35, 113404), (70, 56702), (140, 28351)]