3945340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28181}}^1$

素因数の和:28197

約数の個数: 24

約数和(自身を含む): 9469152

約数和(自身を除く): 5523812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28181, 56362, 112724, 140905, 197267, 281810, 394534, 563620, 789068, 986335, 1972670, 3945340]

約数ペア:

[(1, 3945340), (2, 1972670), (4, 986335), (5, 789068), (7, 563620), (10, 394534), (14, 281810), (20, 197267), (28, 140905), (35, 112724), (70, 56362), (140, 28181)]