28380310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3407}}^1$

素因数の和:3445

約数の個数: 48

約数和(自身を含む): 62938944

約数和(自身を除く): 34558634

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 3407, 4165, 6814, 8330, 17035, 23849, 34070, 47698, 57919, 115838, 119245, 166943, 238490, 289595, 333886, 405433, 579190, 810866, 834715, 1669430, 2027165, 2838031, 4054330, 5676062, 14190155, 28380310]

約数ペア:

[(1, 28380310), (2, 14190155), (5, 5676062), (7, 4054330), (10, 2838031), (14, 2027165), (17, 1669430), (34, 834715), (35, 810866), (49, 579190), (70, 405433), (85, 333886), (98, 289595), (119, 238490), (170, 166943), (238, 119245), (245, 115838), (490, 57919), (595, 47698), (833, 34070), (1190, 23849), (1666, 17035), (3407, 8330), (4165, 6814)]