21455140000

素因数分解:

$2^5\times 5^4\times 7^2\times {\mathrm{21893}}^1$

素因数の和:21937

約数の個数: 180

約数和(自身を含む): 61403277474

約数和(自身を除く): 39948137474

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 350, 392, 400, 490, 500, 560, 625, 700, 784, 800, 875, 980, 1000, 1120, 1225, 1250, 1400, 1568, 1750, 1960, 2000, 2450, 2500, 2800, 3500, 3920, 4000, 4375, 4900, 5000, 5600, 6125, 7000, 7840, 8750, 9800, 10000, 12250, 14000, 17500, 19600, 20000, 21893, 24500, 28000, 30625, 35000, 39200, 43786, 49000, 61250, 70000, 87572, 98000, 109465, 122500, 140000, 153251, 175144, 196000, 218930, 245000, 306502, 350288, 437860, 490000, 547325, 613004, 700576, 766255, 875720, 980000, 1072757, 1094650, 1226008, 1532510, 1751440, 2145514, 2189300, 2452016, 2736625, 3065020, 3502880, 3831275, 4291028, 4378600, 4904032, 5363785, 5473250, 6130040, 7662550, 8582056, 8757200, 10727570, 10946500, 12260080, 13683125, 15325100, 17164112, 17514400, 19156375, 21455140, 21893000, 24520160, 26818925, 27366250, 30650200, 34328224, 38312750, 42910280, 43786000, 53637850, 54732500, 61300400, 76625500, 85820560, 87572000, 95781875, 107275700, 109465000, 122600800, 134094625, 153251000, 171641120, 191563750, 214551400, 218930000, 268189250, 306502000, 383127500, 429102800, 437860000, 536378500, 613004000, 670473125, 766255000, 858205600, 1072757000, 1340946250, 1532510000, 2145514000, 2681892500, 3065020000, 4291028000, 5363785000, 10727570000, 21455140000]

約数ペア:

[(1, 21455140000), (2, 10727570000), (4, 5363785000), (5, 4291028000), (7, 3065020000), (8, 2681892500), (10, 2145514000), (14, 1532510000), (16, 1340946250), (20, 1072757000), (25, 858205600), (28, 766255000), (32, 670473125), (35, 613004000), (40, 536378500), (49, 437860000), (50, 429102800), (56, 383127500), (70, 306502000), (80, 268189250), (98, 218930000), (100, 214551400), (112, 191563750), (125, 171641120), (140, 153251000), (160, 134094625), (175, 122600800), (196, 109465000), (200, 107275700), (224, 95781875), (245, 87572000), (250, 85820560), (280, 76625500), (350, 61300400), (392, 54732500), (400, 53637850), (490, 43786000), (500, 42910280), (560, 38312750), (625, 34328224), (700, 30650200), (784, 27366250), (800, 26818925), (875, 24520160), (980, 21893000), (1000, 21455140), (1120, 19156375), (1225, 17514400), (1250, 17164112), (1400, 15325100), (1568, 13683125), (1750, 12260080), (1960, 10946500), (2000, 10727570), (2450, 8757200), (2500, 8582056), (2800, 7662550), (3500, 6130040), (3920, 5473250), (4000, 5363785), (4375, 4904032), (4900, 4378600), (5000, 4291028), (5600, 3831275), (6125, 3502880), (7000, 3065020), (7840, 2736625), (8750, 2452016), (9800, 2189300), (10000, 2145514), (12250, 1751440), (14000, 1532510), (17500, 1226008), (19600, 1094650), (20000, 1072757), (21893, 980000), (24500, 875720), (28000, 766255), (30625, 700576), (35000, 613004), (39200, 547325), (43786, 490000), (49000, 437860), (61250, 350288), (70000, 306502), (87572, 245000), (98000, 218930), (109465, 196000), (122500, 175144), (140000, 153251)]