7938280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28351}}^1$

素因数の和:28369

約数の個数: 32

約数和(自身を含む): 20413440

約数和(自身を除く): 12475160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28351, 56702, 113404, 141755, 198457, 226808, 283510, 396914, 567020, 793828, 992285, 1134040, 1587656, 1984570, 3969140, 7938280]

約数ペア:

[(1, 7938280), (2, 3969140), (4, 1984570), (5, 1587656), (7, 1134040), (8, 992285), (10, 793828), (14, 567020), (20, 396914), (28, 283510), (35, 226808), (40, 198457), (56, 141755), (70, 113404), (140, 56702), (280, 28351)]