378910825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{8963}}^1$

素因数の和:9081

約数の個数: 24

約数和(自身を含む): 500191200

約数和(自身を除く): 121280375

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 1691, 2225, 8455, 8963, 42275, 44815, 170297, 224075, 797707, 851485, 3988535, 4257425, 15156433, 19942675, 75782165, 378910825]

約数ペア:

[(1, 378910825), (5, 75782165), (19, 19942675), (25, 15156433), (89, 4257425), (95, 3988535), (445, 851485), (475, 797707), (1691, 224075), (2225, 170297), (8455, 44815), (8963, 42275)]