400000048

素因数分解:

$2^4\times 7^1\times {\mathrm{3571429}}^1$

素因数の和:3571444

約数の個数: 20

約数和(自身を含む): 885714640

約数和(自身を除く): 485714592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 3571429, 7142858, 14285716, 25000003, 28571432, 50000006, 57142864, 100000012, 200000024, 400000048]

約数ペア:

[(1, 400000048), (2, 200000024), (4, 100000012), (7, 57142864), (8, 50000006), (14, 28571432), (16, 25000003), (28, 14285716), (56, 7142858), (112, 3571429)]