78866000

素因数分解:

$2^4\times 5^3\times {\mathrm{47}}^1\times {\mathrm{839}}^1$

素因数の和:909

約数の個数: 80

約数和(自身を含む): 194987520

約数和(自身を除く): 116121520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 125, 188, 200, 235, 250, 376, 400, 470, 500, 752, 839, 940, 1000, 1175, 1678, 1880, 2000, 2350, 3356, 3760, 4195, 4700, 5875, 6712, 8390, 9400, 11750, 13424, 16780, 18800, 20975, 23500, 33560, 39433, 41950, 47000, 67120, 78866, 83900, 94000, 104875, 157732, 167800, 197165, 209750, 315464, 335600, 394330, 419500, 630928, 788660, 839000, 985825, 1577320, 1678000, 1971650, 3154640, 3943300, 4929125, 7886600, 9858250, 15773200, 19716500, 39433000, 78866000]

約数ペア:

[(1, 78866000), (2, 39433000), (4, 19716500), (5, 15773200), (8, 9858250), (10, 7886600), (16, 4929125), (20, 3943300), (25, 3154640), (40, 1971650), (47, 1678000), (50, 1577320), (80, 985825), (94, 839000), (100, 788660), (125, 630928), (188, 419500), (200, 394330), (235, 335600), (250, 315464), (376, 209750), (400, 197165), (470, 167800), (500, 157732), (752, 104875), (839, 94000), (940, 83900), (1000, 78866), (1175, 67120), (1678, 47000), (1880, 41950), (2000, 39433), (2350, 33560), (3356, 23500), (3760, 20975), (4195, 18800), (4700, 16780), (5875, 13424), (6712, 11750), (8390, 9400)]