1921000550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{81919}}^1$

素因数の和:82005

約数の個数: 48

約数和(自身を含む): 4144496640

約数和(自身を除く): 2223496090

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 67, 70, 134, 175, 335, 350, 469, 670, 938, 1675, 2345, 3350, 4690, 11725, 23450, 81919, 163838, 409595, 573433, 819190, 1146866, 2047975, 2867165, 4095950, 5488573, 5734330, 10977146, 14335825, 27442865, 28671650, 38420011, 54885730, 76840022, 137214325, 192100055, 274428650, 384200110, 960500275, 1921000550]

約数ペア:

[(1, 1921000550), (2, 960500275), (5, 384200110), (7, 274428650), (10, 192100055), (14, 137214325), (25, 76840022), (35, 54885730), (50, 38420011), (67, 28671650), (70, 27442865), (134, 14335825), (175, 10977146), (335, 5734330), (350, 5488573), (469, 4095950), (670, 2867165), (938, 2047975), (1675, 1146866), (2345, 819190), (3350, 573433), (4690, 409595), (11725, 163838), (23450, 81919)]