8905500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{1979}}^1$

素因数の和:2004

約数の個数: 72

約数和(自身を含む): 28108080

約数和(自身を除く): 19202580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 1979, 2250, 3958, 4500, 5937, 7916, 9895, 11874, 17811, 19790, 23748, 29685, 35622, 39580, 49475, 59370, 71244, 89055, 98950, 118740, 148425, 178110, 197900, 247375, 296850, 356220, 445275, 494750, 593700, 742125, 890550, 989500, 1484250, 1781100, 2226375, 2968500, 4452750, 8905500]

約数ペア:

[(1, 8905500), (2, 4452750), (3, 2968500), (4, 2226375), (5, 1781100), (6, 1484250), (9, 989500), (10, 890550), (12, 742125), (15, 593700), (18, 494750), (20, 445275), (25, 356220), (30, 296850), (36, 247375), (45, 197900), (50, 178110), (60, 148425), (75, 118740), (90, 98950), (100, 89055), (125, 71244), (150, 59370), (180, 49475), (225, 39580), (250, 35622), (300, 29685), (375, 23748), (450, 19790), (500, 17811), (750, 11874), (900, 9895), (1125, 7916), (1500, 5937), (1979, 4500), (2250, 3958)]