20211657200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{10631}}^1$

素因数の和:10760

約数の個数: 180

約数和(自身を含む): 57074128272

約数和(自身を除く): 36862471072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 97, 98, 100, 112, 140, 175, 194, 196, 200, 245, 280, 350, 388, 392, 400, 485, 490, 560, 679, 700, 776, 784, 970, 980, 1225, 1358, 1400, 1552, 1940, 1960, 2425, 2450, 2716, 2800, 3395, 3880, 3920, 4753, 4850, 4900, 5432, 6790, 7760, 9506, 9700, 9800, 10631, 10864, 13580, 16975, 19012, 19400, 19600, 21262, 23765, 27160, 33950, 38024, 38800, 42524, 47530, 53155, 54320, 67900, 74417, 76048, 85048, 95060, 106310, 118825, 135800, 148834, 170096, 190120, 212620, 237650, 265775, 271600, 297668, 372085, 380240, 425240, 475300, 520919, 531550, 595336, 744170, 850480, 950600, 1031207, 1041838, 1063100, 1190672, 1488340, 1860425, 1901200, 2062414, 2083676, 2126200, 2604595, 2976680, 3720850, 4124828, 4167352, 4252400, 5156035, 5209190, 5953360, 7218449, 7441700, 8249656, 8334704, 10312070, 10418380, 13022975, 14436898, 14883400, 16499312, 20624140, 20836760, 25780175, 26045950, 28873796, 29766800, 36092245, 41248280, 41673520, 50529143, 51560350, 52091900, 57747592, 72184490, 82496560, 101058286, 103120700, 104183800, 115495184, 144368980, 180461225, 202116572, 206241400, 208367600, 252645715, 288737960, 360922450, 404233144, 412482800, 505291430, 577475920, 721844900, 808466288, 1010582860, 1263228575, 1443689800, 2021165720, 2526457150, 2887379600, 4042331440, 5052914300, 10105828600, 20211657200]

約数ペア:

[(1, 20211657200), (2, 10105828600), (4, 5052914300), (5, 4042331440), (7, 2887379600), (8, 2526457150), (10, 2021165720), (14, 1443689800), (16, 1263228575), (20, 1010582860), (25, 808466288), (28, 721844900), (35, 577475920), (40, 505291430), (49, 412482800), (50, 404233144), (56, 360922450), (70, 288737960), (80, 252645715), (97, 208367600), (98, 206241400), (100, 202116572), (112, 180461225), (140, 144368980), (175, 115495184), (194, 104183800), (196, 103120700), (200, 101058286), (245, 82496560), (280, 72184490), (350, 57747592), (388, 52091900), (392, 51560350), (400, 50529143), (485, 41673520), (490, 41248280), (560, 36092245), (679, 29766800), (700, 28873796), (776, 26045950), (784, 25780175), (970, 20836760), (980, 20624140), (1225, 16499312), (1358, 14883400), (1400, 14436898), (1552, 13022975), (1940, 10418380), (1960, 10312070), (2425, 8334704), (2450, 8249656), (2716, 7441700), (2800, 7218449), (3395, 5953360), (3880, 5209190), (3920, 5156035), (4753, 4252400), (4850, 4167352), (4900, 4124828), (5432, 3720850), (6790, 2976680), (7760, 2604595), (9506, 2126200), (9700, 2083676), (9800, 2062414), (10631, 1901200), (10864, 1860425), (13580, 1488340), (16975, 1190672), (19012, 1063100), (19400, 1041838), (19600, 1031207), (21262, 950600), (23765, 850480), (27160, 744170), (33950, 595336), (38024, 531550), (38800, 520919), (42524, 475300), (47530, 425240), (53155, 380240), (54320, 372085), (67900, 297668), (74417, 271600), (76048, 265775), (85048, 237650), (95060, 212620), (106310, 190120), (118825, 170096), (135800, 148834)]