620084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 1176000

約数和(自身を除く): 555916

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 199, 398, 779, 796, 1558, 3116, 3781, 7562, 8159, 15124, 16318, 32636, 155021, 310042, 620084]

約数ペア:

[(1, 620084), (2, 310042), (4, 155021), (19, 32636), (38, 16318), (41, 15124), (76, 8159), (82, 7562), (164, 3781), (199, 3116), (398, 1558), (779, 796)]