28100800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:235

約数の個数: 168

約数和(自身を含む): 85543136

約数和(自身を除く): 57442336

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 130, 140, 160, 175, 182, 193, 200, 208, 224, 260, 280, 320, 325, 350, 364, 386, 400, 416, 448, 455, 520, 560, 650, 700, 728, 772, 800, 832, 910, 965, 1040, 1120, 1300, 1351, 1400, 1456, 1544, 1600, 1820, 1930, 2080, 2240, 2275, 2509, 2600, 2702, 2800, 2912, 3088, 3640, 3860, 4160, 4550, 4825, 5018, 5200, 5404, 5600, 5824, 6176, 6755, 7280, 7720, 9100, 9650, 10036, 10400, 10808, 11200, 12352, 12545, 13510, 14560, 15440, 17563, 18200, 19300, 20072, 20800, 21616, 25090, 27020, 29120, 30880, 33775, 35126, 36400, 38600, 40144, 43232, 50180, 54040, 61760, 62725, 67550, 70252, 72800, 77200, 80288, 86464, 87815, 100360, 108080, 125450, 135100, 140504, 145600, 154400, 160576, 175630, 200720, 216160, 250900, 270200, 281008, 308800, 351260, 401440, 432320, 439075, 501800, 540400, 562016, 702520, 802880, 878150, 1003600, 1080800, 1124032, 1405040, 1756300, 2007200, 2161600, 2810080, 3512600, 4014400, 5620160, 7025200, 14050400, 28100800]

約数ペア:

[(1, 28100800), (2, 14050400), (4, 7025200), (5, 5620160), (7, 4014400), (8, 3512600), (10, 2810080), (13, 2161600), (14, 2007200), (16, 1756300), (20, 1405040), (25, 1124032), (26, 1080800), (28, 1003600), (32, 878150), (35, 802880), (40, 702520), (50, 562016), (52, 540400), (56, 501800), (64, 439075), (65, 432320), (70, 401440), (80, 351260), (91, 308800), (100, 281008), (104, 270200), (112, 250900), (130, 216160), (140, 200720), (160, 175630), (175, 160576), (182, 154400), (193, 145600), (200, 140504), (208, 135100), (224, 125450), (260, 108080), (280, 100360), (320, 87815), (325, 86464), (350, 80288), (364, 77200), (386, 72800), (400, 70252), (416, 67550), (448, 62725), (455, 61760), (520, 54040), (560, 50180), (650, 43232), (700, 40144), (728, 38600), (772, 36400), (800, 35126), (832, 33775), (910, 30880), (965, 29120), (1040, 27020), (1120, 25090), (1300, 21616), (1351, 20800), (1400, 20072), (1456, 19300), (1544, 18200), (1600, 17563), (1820, 15440), (1930, 14560), (2080, 13510), (2240, 12545), (2275, 12352), (2509, 11200), (2600, 10808), (2702, 10400), (2800, 10036), (2912, 9650), (3088, 9100), (3640, 7720), (3860, 7280), (4160, 6755), (4550, 6176), (4825, 5824), (5018, 5600), (5200, 5404)]