About the Number

128742400

128742399 ← → 128742401

2進数表記:111101011000111010000000000

漢数字表記:一億二千八百七十四万二千四百

素因数分解:

2 10 × 5 2 × 47 1 × 107 1

素因数の和:184
約数の個数: 132
約数和(自身を含む): 328961088
約数和(自身を除く): 200218688

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 64, 80, 94, 100, 107, 128, 160, 188, 200, 214, 235, 256, 320, 376, 400, 428, 470, 512, 535, 640, 752, 800, 856, 940, 1024, 1070, 1175, 1280, 1504, 1600, 1712, 1880, 2140, 2350, 2560, 2675, 3008, 3200, 3424, 3760, 4280, 4700, 5029, 5120, 5350, 6016, 6400, 6848, 7520, 8560, 9400, 10058, 10700, 12032, 12800, 13696, 15040, 17120, 18800, 20116, 21400, 24064, 25145, 25600, 27392, 30080, 34240, 37600, 40232, 42800, 48128, 50290, 54784, 60160, 68480, 75200, 80464, 85600, 100580, 109568, 120320, 125725, 136960, 150400, 160928, 171200, 201160, 240640, 251450, 273920, 300800, 321856, 342400, 402320, 502900, 547840, 601600, 643712, 684800, 804640, 1005800, 1203200, 1287424, 1369600, 1609280, 2011600, 2574848, 2739200, 3218560, 4023200, 5149696, 6437120, 8046400, 12874240, 16092800, 25748480, 32185600, 64371200, 128742400]

約数ペア:
[(1, 128742400), (2, 64371200), (4, 32185600), (5, 25748480), (8, 16092800), (10, 12874240), (16, 8046400), (20, 6437120), (25, 5149696), (32, 4023200), (40, 3218560), (47, 2739200), (50, 2574848), (64, 2011600), (80, 1609280), (94, 1369600), (100, 1287424), (107, 1203200), (128, 1005800), (160, 804640), (188, 684800), (200, 643712), (214, 601600), (235, 547840), (256, 502900), (320, 402320), (376, 342400), (400, 321856), (428, 300800), (470, 273920), (512, 251450), (535, 240640), (640, 201160), (752, 171200), (800, 160928), (856, 150400), (940, 136960), (1024, 125725), (1070, 120320), (1175, 109568), (1280, 100580), (1504, 85600), (1600, 80464), (1712, 75200), (1880, 68480), (2140, 60160), (2350, 54784), (2560, 50290), (2675, 48128), (3008, 42800), (3200, 40232), (3424, 37600), (3760, 34240), (4280, 30080), (4700, 27392), (5029, 25600), (5120, 25145), (5350, 24064), (6016, 21400), (6400, 20116), (6848, 18800), (7520, 17120), (8560, 15040), (9400, 13696), (10058, 12800), (10700, 12032)]

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