31149020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222493}}^1$

素因数の和:222509

約数の個数: 24

約数和(自身を含む): 74757984

約数和(自身を除く): 43608964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222493, 444986, 889972, 1112465, 1557451, 2224930, 3114902, 4449860, 6229804, 7787255, 15574510, 31149020]

約数ペア:

[(1, 31149020), (2, 15574510), (4, 7787255), (5, 6229804), (7, 4449860), (10, 3114902), (14, 2224930), (20, 1557451), (28, 1112465), (35, 889972), (70, 444986), (140, 222493)]