140137984

素因数分解:

$2^9\times 7^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:727

約数の個数: 80

約数和(自身を含む): 325755936

約数和(自身を除く): 185617952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 512, 641, 854, 896, 976, 1282, 1708, 1792, 1952, 2564, 3416, 3584, 3904, 4487, 5128, 6832, 7808, 8974, 10256, 13664, 15616, 17948, 20512, 27328, 31232, 35896, 39101, 41024, 54656, 71792, 78202, 82048, 109312, 143584, 156404, 164096, 218624, 273707, 287168, 312808, 328192, 547414, 574336, 625616, 1094828, 1148672, 1251232, 2189656, 2297344, 2502464, 4379312, 5004928, 8758624, 10009856, 17517248, 20019712, 35034496, 70068992, 140137984]

約数ペア:

[(1, 140137984), (2, 70068992), (4, 35034496), (7, 20019712), (8, 17517248), (14, 10009856), (16, 8758624), (28, 5004928), (32, 4379312), (56, 2502464), (61, 2297344), (64, 2189656), (112, 1251232), (122, 1148672), (128, 1094828), (224, 625616), (244, 574336), (256, 547414), (427, 328192), (448, 312808), (488, 287168), (512, 273707), (641, 218624), (854, 164096), (896, 156404), (976, 143584), (1282, 109312), (1708, 82048), (1792, 78202), (1952, 71792), (2564, 54656), (3416, 41024), (3584, 39101), (3904, 35896), (4487, 31232), (5128, 27328), (6832, 20512), (7808, 17948), (8974, 15616), (10256, 13664)]