206650640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 160

約数和(自身を含む): 594604800

約数和(自身を除く): 387954160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 343, 392, 443, 476, 490, 560, 595, 680, 686, 784, 833, 886, 952, 980, 1190, 1360, 1372, 1666, 1715, 1772, 1904, 1960, 2215, 2380, 2744, 3101, 3332, 3430, 3544, 3920, 4165, 4430, 4760, 5488, 5831, 6202, 6664, 6860, 7088, 7531, 8330, 8860, 9520, 11662, 12404, 13328, 13720, 15062, 15505, 16660, 17720, 21707, 23324, 24808, 27440, 29155, 30124, 31010, 33320, 35440, 37655, 43414, 46648, 49616, 52717, 58310, 60248, 62020, 66640, 75310, 86828, 93296, 105434, 108535, 116620, 120496, 124040, 150620, 151949, 173656, 210868, 217070, 233240, 248080, 263585, 301240, 303898, 347312, 369019, 421736, 434140, 466480, 527170, 602480, 607796, 738038, 759745, 843472, 868280, 1054340, 1215592, 1476076, 1519490, 1736560, 1845095, 2108680, 2431184, 2583133, 2952152, 3038980, 3690190, 4217360, 5166266, 5904304, 6077960, 7380380, 10332532, 12155920, 12915665, 14760760, 20665064, 25831330, 29521520, 41330128, 51662660, 103325320, 206650640]

約数ペア:

[(1, 206650640), (2, 103325320), (4, 51662660), (5, 41330128), (7, 29521520), (8, 25831330), (10, 20665064), (14, 14760760), (16, 12915665), (17, 12155920), (20, 10332532), (28, 7380380), (34, 6077960), (35, 5904304), (40, 5166266), (49, 4217360), (56, 3690190), (68, 3038980), (70, 2952152), (80, 2583133), (85, 2431184), (98, 2108680), (112, 1845095), (119, 1736560), (136, 1519490), (140, 1476076), (170, 1215592), (196, 1054340), (238, 868280), (245, 843472), (272, 759745), (280, 738038), (340, 607796), (343, 602480), (392, 527170), (443, 466480), (476, 434140), (490, 421736), (560, 369019), (595, 347312), (680, 303898), (686, 301240), (784, 263585), (833, 248080), (886, 233240), (952, 217070), (980, 210868), (1190, 173656), (1360, 151949), (1372, 150620), (1666, 124040), (1715, 120496), (1772, 116620), (1904, 108535), (1960, 105434), (2215, 93296), (2380, 86828), (2744, 75310), (3101, 66640), (3332, 62020), (3430, 60248), (3544, 58310), (3920, 52717), (4165, 49616), (4430, 46648), (4760, 43414), (5488, 37655), (5831, 35440), (6202, 33320), (6664, 31010), (6860, 30124), (7088, 29155), (7531, 27440), (8330, 24808), (8860, 23324), (9520, 21707), (11662, 17720), (12404, 16660), (13328, 15505), (13720, 15062)]