1990339344

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1319}}^1$

素因数の和:1842

約数の個数: 160

約数和(自身を含む): 6547200000

約数和(自身を除く): 4556860656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 499, 504, 756, 998, 1008, 1319, 1497, 1512, 1996, 2638, 2994, 3024, 3493, 3957, 3992, 4491, 5276, 5988, 6986, 7914, 7984, 8982, 9233, 10479, 10552, 11871, 11976, 13473, 13972, 15828, 17964, 18466, 20958, 21104, 23742, 23952, 26946, 27699, 27944, 31437, 31656, 35613, 35928, 36932, 41916, 47484, 53892, 55398, 55888, 62874, 63312, 71226, 71856, 73864, 83097, 83832, 94311, 94968, 107784, 110796, 125748, 142452, 147728, 166194, 167664, 188622, 189936, 215568, 221592, 249291, 251496, 284904, 332388, 377244, 443184, 498582, 502992, 569808, 658181, 664776, 754488, 997164, 1316362, 1329552, 1508976, 1974543, 1994328, 2632724, 3949086, 3988656, 4607267, 5265448, 5923629, 7898172, 9214534, 10530896, 11847258, 13821801, 15796344, 17770887, 18429068, 23694516, 27643602, 31592688, 35541774, 36858136, 41465403, 47389032, 55287204, 71083548, 73716272, 82930806, 94778064, 110574408, 124396209, 142167096, 165861612, 221148816, 248792418, 284334192, 331723224, 497584836, 663446448, 995169672, 1990339344]

約数ペア:

[(1, 1990339344), (2, 995169672), (3, 663446448), (4, 497584836), (6, 331723224), (7, 284334192), (8, 248792418), (9, 221148816), (12, 165861612), (14, 142167096), (16, 124396209), (18, 110574408), (21, 94778064), (24, 82930806), (27, 73716272), (28, 71083548), (36, 55287204), (42, 47389032), (48, 41465403), (54, 36858136), (56, 35541774), (63, 31592688), (72, 27643602), (84, 23694516), (108, 18429068), (112, 17770887), (126, 15796344), (144, 13821801), (168, 11847258), (189, 10530896), (216, 9214534), (252, 7898172), (336, 5923629), (378, 5265448), (432, 4607267), (499, 3988656), (504, 3949086), (756, 2632724), (998, 1994328), (1008, 1974543), (1319, 1508976), (1497, 1329552), (1512, 1316362), (1996, 997164), (2638, 754488), (2994, 664776), (3024, 658181), (3493, 569808), (3957, 502992), (3992, 498582), (4491, 443184), (5276, 377244), (5988, 332388), (6986, 284904), (7914, 251496), (7984, 249291), (8982, 221592), (9233, 215568), (10479, 189936), (10552, 188622), (11871, 167664), (11976, 166194), (13473, 147728), (13972, 142452), (15828, 125748), (17964, 110796), (18466, 107784), (20958, 94968), (21104, 94311), (23742, 83832), (23952, 83097), (26946, 73864), (27699, 71856), (27944, 71226), (31437, 63312), (31656, 62874), (35613, 55888), (35928, 55398), (36932, 53892), (41916, 47484)]