312084880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{205319}}^1$

素因数の和:205351

約数の個数: 40

約数和(自身を含む): 763790400

約数和(自身を除く): 451705520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 205319, 410638, 821276, 1026595, 1642552, 2053190, 3285104, 3901061, 4106380, 7802122, 8212760, 15604244, 16425520, 19505305, 31208488, 39010610, 62416976, 78021220, 156042440, 312084880]

約数ペア:

[(1, 312084880), (2, 156042440), (4, 78021220), (5, 62416976), (8, 39010610), (10, 31208488), (16, 19505305), (19, 16425520), (20, 15604244), (38, 8212760), (40, 7802122), (76, 4106380), (80, 3901061), (95, 3285104), (152, 2053190), (190, 1642552), (304, 1026595), (380, 821276), (760, 410638), (1520, 205319)]