27170990

素因数分解:

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

素因数の和:174

約数の個数: 72

約数和(自身を含む): 62951256

約数和(自身を除く): 35780266

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 71, 77, 98, 110, 142, 154, 245, 355, 385, 490, 497, 539, 710, 770, 781, 994, 1078, 1562, 2485, 2695, 3479, 3905, 4970, 5041, 5390, 5467, 6958, 7810, 10082, 10934, 17395, 25205, 27335, 34790, 35287, 38269, 50410, 54670, 55451, 70574, 76538, 110902, 176435, 191345, 247009, 277255, 352870, 382690, 388157, 494018, 554510, 776314, 1235045, 1940785, 2470090, 2717099, 3881570, 5434198, 13585495, 27170990]

約数ペア:

[(1, 27170990), (2, 13585495), (5, 5434198), (7, 3881570), (10, 2717099), (11, 2470090), (14, 1940785), (22, 1235045), (35, 776314), (49, 554510), (55, 494018), (70, 388157), (71, 382690), (77, 352870), (98, 277255), (110, 247009), (142, 191345), (154, 176435), (245, 110902), (355, 76538), (385, 70574), (490, 55451), (497, 54670), (539, 50410), (710, 38269), (770, 35287), (781, 34790), (994, 27335), (1078, 25205), (1562, 17395), (2485, 10934), (2695, 10082), (3479, 7810), (3905, 6958), (4970, 5467), (5041, 5390)]