19873000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 56609280

約数和(自身を除く): 36736280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 85, 100, 119, 125, 136, 140, 167, 170, 175, 200, 238, 250, 280, 334, 340, 350, 425, 476, 500, 595, 668, 680, 700, 835, 850, 875, 952, 1000, 1169, 1190, 1336, 1400, 1670, 1700, 1750, 2125, 2338, 2380, 2839, 2975, 3340, 3400, 3500, 4175, 4250, 4676, 4760, 5678, 5845, 5950, 6680, 7000, 8350, 8500, 9352, 11356, 11690, 11900, 14195, 14875, 16700, 17000, 19873, 20875, 22712, 23380, 23800, 28390, 29225, 29750, 33400, 39746, 41750, 46760, 56780, 58450, 59500, 70975, 79492, 83500, 99365, 113560, 116900, 119000, 141950, 146125, 158984, 167000, 198730, 233800, 283900, 292250, 354875, 397460, 496825, 567800, 584500, 709750, 794920, 993650, 1169000, 1419500, 1987300, 2484125, 2839000, 3974600, 4968250, 9936500, 19873000]

約数ペア:

[(1, 19873000), (2, 9936500), (4, 4968250), (5, 3974600), (7, 2839000), (8, 2484125), (10, 1987300), (14, 1419500), (17, 1169000), (20, 993650), (25, 794920), (28, 709750), (34, 584500), (35, 567800), (40, 496825), (50, 397460), (56, 354875), (68, 292250), (70, 283900), (85, 233800), (100, 198730), (119, 167000), (125, 158984), (136, 146125), (140, 141950), (167, 119000), (170, 116900), (175, 113560), (200, 99365), (238, 83500), (250, 79492), (280, 70975), (334, 59500), (340, 58450), (350, 56780), (425, 46760), (476, 41750), (500, 39746), (595, 33400), (668, 29750), (680, 29225), (700, 28390), (835, 23800), (850, 23380), (875, 22712), (952, 20875), (1000, 19873), (1169, 17000), (1190, 16700), (1336, 14875), (1400, 14195), (1670, 11900), (1700, 11690), (1750, 11356), (2125, 9352), (2338, 8500), (2380, 8350), (2839, 7000), (2975, 6680), (3340, 5950), (3400, 5845), (3500, 5678), (4175, 4760), (4250, 4676)]