2000908805

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{29947}}^1$

素因数の和:30065

約数の個数: 32

約数和(自身を含む): 2898008064

約数和(自身を除く): 897099259

約数列:

[1, 5, 7, 23, 35, 83, 115, 161, 415, 581, 805, 1909, 2905, 9545, 13363, 29947, 66815, 149735, 209629, 688781, 1048145, 2485601, 3443905, 4821467, 12428005, 17399207, 24107335, 57168823, 86996035, 285844115, 400181761, 2000908805]

約数ペア:

[(1, 2000908805), (5, 400181761), (7, 285844115), (23, 86996035), (35, 57168823), (83, 24107335), (115, 17399207), (161, 12428005), (415, 4821467), (581, 3443905), (805, 2485601), (1909, 1048145), (2905, 688781), (9545, 209629), (13363, 149735), (29947, 66815)]