140004368

素因数分解:

$2^4\times 7^3\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:389

約数の個数: 80

約数和(自身を含む): 320812800

約数和(自身を除く): 180808432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 97, 98, 112, 194, 196, 263, 343, 388, 392, 526, 679, 686, 776, 784, 1052, 1358, 1372, 1552, 1841, 2104, 2716, 2744, 3682, 4208, 4753, 5432, 5488, 7364, 9506, 10864, 12887, 14728, 19012, 25511, 25774, 29456, 33271, 38024, 51022, 51548, 66542, 76048, 90209, 102044, 103096, 133084, 178577, 180418, 204088, 206192, 266168, 357154, 360836, 408176, 532336, 714308, 721672, 1250039, 1428616, 1443344, 2500078, 2857232, 5000156, 8750273, 10000312, 17500546, 20000624, 35001092, 70002184, 140004368]

約数ペア:

[(1, 140004368), (2, 70002184), (4, 35001092), (7, 20000624), (8, 17500546), (14, 10000312), (16, 8750273), (28, 5000156), (49, 2857232), (56, 2500078), (97, 1443344), (98, 1428616), (112, 1250039), (194, 721672), (196, 714308), (263, 532336), (343, 408176), (388, 360836), (392, 357154), (526, 266168), (679, 206192), (686, 204088), (776, 180418), (784, 178577), (1052, 133084), (1358, 103096), (1372, 102044), (1552, 90209), (1841, 76048), (2104, 66542), (2716, 51548), (2744, 51022), (3682, 38024), (4208, 33271), (4753, 29456), (5432, 25774), (5488, 25511), (7364, 19012), (9506, 14728), (10864, 12887)]