118981040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{78277}}^1$

素因数の和:78309

約数の個数: 40

約数和(自身を含む): 291194160

約数和(自身を除く): 172213120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 78277, 156554, 313108, 391385, 626216, 782770, 1252432, 1487263, 1565540, 2974526, 3131080, 5949052, 6262160, 7436315, 11898104, 14872630, 23796208, 29745260, 59490520, 118981040]

約数ペア:

[(1, 118981040), (2, 59490520), (4, 29745260), (5, 23796208), (8, 14872630), (10, 11898104), (16, 7436315), (19, 6262160), (20, 5949052), (38, 3131080), (40, 2974526), (76, 1565540), (80, 1487263), (95, 1252432), (152, 782770), (190, 626216), (304, 391385), (380, 313108), (760, 156554), (1520, 78277)]