31221260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223009}}^1$

素因数の和:223025

約数の個数: 24

約数和(自身を含む): 74931360

約数和(自身を除く): 43710100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223009, 446018, 892036, 1115045, 1561063, 2230090, 3122126, 4460180, 6244252, 7805315, 15610630, 31221260]

約数ペア:

[(1, 31221260), (2, 15610630), (4, 7805315), (5, 6244252), (7, 4460180), (10, 3122126), (14, 2230090), (20, 1561063), (28, 1115045), (35, 892036), (70, 446018), (140, 223009)]