205505440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{183487}}^1$

素因数の和:183509

約数の個数: 48

約数和(自身を含む): 554867712

約数和(自身を除く): 349362272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 183487, 366974, 733948, 917435, 1284409, 1467896, 1834870, 2568818, 2935792, 3669740, 5137636, 5871584, 6422045, 7339480, 10275272, 12844090, 14678960, 20550544, 25688180, 29357920, 41101088, 51376360, 102752720, 205505440]

約数ペア:

[(1, 205505440), (2, 102752720), (4, 51376360), (5, 41101088), (7, 29357920), (8, 25688180), (10, 20550544), (14, 14678960), (16, 12844090), (20, 10275272), (28, 7339480), (32, 6422045), (35, 5871584), (40, 5137636), (56, 3669740), (70, 2935792), (80, 2568818), (112, 1834870), (140, 1467896), (160, 1284409), (224, 917435), (280, 733948), (560, 366974), (1120, 183487)]