3881570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 8835264

約数和(自身を除く): 4953694

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 355, 385, 497, 710, 770, 781, 994, 1562, 2485, 3905, 4970, 5041, 5467, 7810, 10082, 10934, 25205, 27335, 35287, 50410, 54670, 55451, 70574, 110902, 176435, 277255, 352870, 388157, 554510, 776314, 1940785, 3881570]

約数ペア:

[(1, 3881570), (2, 1940785), (5, 776314), (7, 554510), (10, 388157), (11, 352870), (14, 277255), (22, 176435), (35, 110902), (55, 70574), (70, 55451), (71, 54670), (77, 50410), (110, 35287), (142, 27335), (154, 25205), (355, 10934), (385, 10082), (497, 7810), (710, 5467), (770, 5041), (781, 4970), (994, 3905), (1562, 2485)]