19768000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{353}}^1$

素因数の和:387

約数の個数: 112

約数和(自身を含む): 56107584

約数和(自身を除く): 36339584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 353, 400, 448, 500, 560, 700, 706, 800, 875, 1000, 1120, 1400, 1412, 1600, 1750, 1765, 2000, 2240, 2471, 2800, 2824, 3500, 3530, 4000, 4942, 5600, 5648, 7000, 7060, 8000, 8825, 9884, 11200, 11296, 12355, 14000, 14120, 17650, 19768, 22592, 24710, 28000, 28240, 35300, 39536, 44125, 49420, 56000, 56480, 61775, 70600, 79072, 88250, 98840, 112960, 123550, 141200, 158144, 176500, 197680, 247100, 282400, 308875, 353000, 395360, 494200, 564800, 617750, 706000, 790720, 988400, 1235500, 1412000, 1976800, 2471000, 2824000, 3953600, 4942000, 9884000, 19768000]

約数ペア:

[(1, 19768000), (2, 9884000), (4, 4942000), (5, 3953600), (7, 2824000), (8, 2471000), (10, 1976800), (14, 1412000), (16, 1235500), (20, 988400), (25, 790720), (28, 706000), (32, 617750), (35, 564800), (40, 494200), (50, 395360), (56, 353000), (64, 308875), (70, 282400), (80, 247100), (100, 197680), (112, 176500), (125, 158144), (140, 141200), (160, 123550), (175, 112960), (200, 98840), (224, 88250), (250, 79072), (280, 70600), (320, 61775), (350, 56480), (353, 56000), (400, 49420), (448, 44125), (500, 39536), (560, 35300), (700, 28240), (706, 28000), (800, 24710), (875, 22592), (1000, 19768), (1120, 17650), (1400, 14120), (1412, 14000), (1600, 12355), (1750, 11296), (1765, 11200), (2000, 9884), (2240, 8825), (2471, 8000), (2800, 7060), (2824, 7000), (3500, 5648), (3530, 5600), (4000, 4942)]