31164280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{111301}}^1$

素因数の和:111319

約数の個数: 32

約数和(自身を含む): 80137440

約数和(自身を除く): 48973160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 111301, 222602, 445204, 556505, 779107, 890408, 1113010, 1558214, 2226020, 3116428, 3895535, 4452040, 6232856, 7791070, 15582140, 31164280]

約数ペア:

[(1, 31164280), (2, 15582140), (4, 7791070), (5, 6232856), (7, 4452040), (8, 3895535), (10, 3116428), (14, 2226020), (20, 1558214), (28, 1113010), (35, 890408), (40, 779107), (56, 556505), (70, 445204), (140, 222602), (280, 111301)]