302480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:231

約数の個数: 40

約数和(自身を含む): 744000

約数和(自身を除く): 441520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 199, 304, 380, 398, 760, 796, 995, 1520, 1592, 1990, 3184, 3781, 3980, 7562, 7960, 15124, 15920, 18905, 30248, 37810, 60496, 75620, 151240, 302480]

約数ペア:

[(1, 302480), (2, 151240), (4, 75620), (5, 60496), (8, 37810), (10, 30248), (16, 18905), (19, 15920), (20, 15124), (38, 7960), (40, 7562), (76, 3980), (80, 3781), (95, 3184), (152, 1990), (190, 1592), (199, 1520), (304, 995), (380, 796), (398, 760)]