19816630400

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1997}}^1$

素因数の和:2471

約数の個数: 192

約数和(自身を含む): 56100962880

約数和(自身を除く): 36284332480

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, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 443, 448, 560, 640, 700, 800, 886, 896, 1120, 1400, 1600, 1772, 1997, 2215, 2240, 2800, 3101, 3200, 3544, 3994, 4430, 4480, 5600, 6202, 7088, 7988, 8860, 9985, 11075, 11200, 12404, 13979, 14176, 15505, 15976, 17720, 19970, 22150, 22400, 24808, 27958, 28352, 31010, 31952, 35440, 39940, 44300, 49616, 49925, 55916, 56704, 62020, 63904, 69895, 70880, 77525, 79880, 88600, 99232, 99850, 111832, 124040, 127808, 139790, 141760, 155050, 159760, 177200, 198464, 199700, 223664, 248080, 255616, 279580, 283520, 310100, 319520, 349475, 354400, 396928, 399400, 447328, 496160, 559160, 620200, 639040, 698950, 708800, 798800, 884671, 894656, 992320, 1118320, 1240400, 1278080, 1397900, 1417600, 1597600, 1769342, 1789312, 1984640, 2236640, 2480800, 2795800, 3195200, 3538684, 4423355, 4473280, 4961600, 5591600, 6192697, 6390400, 7077368, 8846710, 8946560, 9923200, 11183200, 12385394, 14154736, 17693420, 22116775, 22366400, 24770788, 28309472, 30963485, 35386840, 44233550, 44732800, 49541576, 56618944, 61926970, 70773680, 88467100, 99083152, 113237888, 123853940, 141547360, 154817425, 176934200, 198166304, 247707880, 283094720, 309634850, 353868400, 396332608, 495415760, 566189440, 619269700, 707736800, 792665216, 990831520, 1238539400, 1415473600, 1981663040, 2477078800, 2830947200, 3963326080, 4954157600, 9908315200, 19816630400]

約数ペア:

[(1, 19816630400), (2, 9908315200), (4, 4954157600), (5, 3963326080), (7, 2830947200), (8, 2477078800), (10, 1981663040), (14, 1415473600), (16, 1238539400), (20, 990831520), (25, 792665216), (28, 707736800), (32, 619269700), (35, 566189440), (40, 495415760), (50, 396332608), (56, 353868400), (64, 309634850), (70, 283094720), (80, 247707880), (100, 198166304), (112, 176934200), (128, 154817425), (140, 141547360), (160, 123853940), (175, 113237888), (200, 99083152), (224, 88467100), (280, 70773680), (320, 61926970), (350, 56618944), (400, 49541576), (443, 44732800), (448, 44233550), (560, 35386840), (640, 30963485), (700, 28309472), (800, 24770788), (886, 22366400), (896, 22116775), (1120, 17693420), (1400, 14154736), (1600, 12385394), (1772, 11183200), (1997, 9923200), (2215, 8946560), (2240, 8846710), (2800, 7077368), (3101, 6390400), (3200, 6192697), (3544, 5591600), (3994, 4961600), (4430, 4473280), (4480, 4423355), (5600, 3538684), (6202, 3195200), (7088, 2795800), (7988, 2480800), (8860, 2236640), (9985, 1984640), (11075, 1789312), (11200, 1769342), (12404, 1597600), (13979, 1417600), (14176, 1397900), (15505, 1278080), (15976, 1240400), (17720, 1118320), (19970, 992320), (22150, 894656), (22400, 884671), (24808, 798800), (27958, 708800), (28352, 698950), (31010, 639040), (31952, 620200), (35440, 559160), (39940, 496160), (44300, 447328), (49616, 399400), (49925, 396928), (55916, 354400), (56704, 349475), (62020, 319520), (63904, 310100), (69895, 283520), (70880, 279580), (77525, 255616), (79880, 248080), (88600, 223664), (99232, 199700), (99850, 198464), (111832, 177200), (124040, 159760), (127808, 155050), (139790, 141760)]