28153000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 39239000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 376, 470, 500, 599, 940, 1000, 1175, 1198, 1880, 2350, 2396, 2995, 4700, 4792, 5875, 5990, 9400, 11750, 11980, 14975, 23500, 23960, 28153, 29950, 47000, 56306, 59900, 74875, 112612, 119800, 140765, 149750, 225224, 281530, 299500, 563060, 599000, 703825, 1126120, 1407650, 2815300, 3519125, 5630600, 7038250, 14076500, 28153000]

約数ペア:

[(1, 28153000), (2, 14076500), (4, 7038250), (5, 5630600), (8, 3519125), (10, 2815300), (20, 1407650), (25, 1126120), (40, 703825), (47, 599000), (50, 563060), (94, 299500), (100, 281530), (125, 225224), (188, 149750), (200, 140765), (235, 119800), (250, 112612), (376, 74875), (470, 59900), (500, 56306), (599, 47000), (940, 29950), (1000, 28153), (1175, 23960), (1198, 23500), (1880, 14975), (2350, 11980), (2396, 11750), (2995, 9400), (4700, 5990), (4792, 5875)]