128682440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{169319}}^1$

素因数の和:169349

約数の個数: 32

約数和(自身を含む): 304776000

約数和(自身を除く): 176093560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 169319, 338638, 677276, 846595, 1354552, 1693190, 3217061, 3386380, 6434122, 6772760, 12868244, 16085305, 25736488, 32170610, 64341220, 128682440]

約数ペア:

[(1, 128682440), (2, 64341220), (4, 32170610), (5, 25736488), (8, 16085305), (10, 12868244), (19, 6772760), (20, 6434122), (38, 3386380), (40, 3217061), (76, 1693190), (95, 1354552), (152, 846595), (190, 677276), (380, 338638), (760, 169319)]