197154640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{129707}}^1$

素因数の和:129739

約数の個数: 40

約数和(自身を含む): 482513760

約数和(自身を除く): 285359120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 129707, 259414, 518828, 648535, 1037656, 1297070, 2075312, 2464433, 2594140, 4928866, 5188280, 9857732, 10376560, 12322165, 19715464, 24644330, 39430928, 49288660, 98577320, 197154640]

約数ペア:

[(1, 197154640), (2, 98577320), (4, 49288660), (5, 39430928), (8, 24644330), (10, 19715464), (16, 12322165), (19, 10376560), (20, 9857732), (38, 5188280), (40, 4928866), (76, 2594140), (80, 2464433), (95, 2075312), (152, 1297070), (190, 1037656), (304, 648535), (380, 518828), (760, 259414), (1520, 129707)]