208061305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 283124160

約数和(自身を除く): 75062855

約数列:

[1, 5, 19, 31, 43, 53, 95, 155, 215, 265, 589, 817, 961, 1007, 1333, 1643, 2279, 2945, 4085, 4805, 5035, 6665, 8215, 11395, 18259, 25327, 31217, 41323, 43301, 50933, 70649, 91295, 126635, 156085, 206615, 216505, 254665, 353245, 785137, 967727, 1342331, 2190119, 3925685, 4838635, 6711655, 10950595, 41612261, 208061305]

約数ペア:

[(1, 208061305), (5, 41612261), (19, 10950595), (31, 6711655), (43, 4838635), (53, 3925685), (95, 2190119), (155, 1342331), (215, 967727), (265, 785137), (589, 353245), (817, 254665), (961, 216505), (1007, 206615), (1333, 156085), (1643, 126635), (2279, 91295), (2945, 70649), (4085, 50933), (4805, 43301), (5035, 41323), (6665, 31217), (8215, 25327), (11395, 18259)]