85554280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{305551}}^1$

素因数の和:305569

約数の個数: 32

約数和(自身を含む): 219997440

約数和(自身を除く): 134443160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 305551, 611102, 1222204, 1527755, 2138857, 2444408, 3055510, 4277714, 6111020, 8555428, 10694285, 12222040, 17110856, 21388570, 42777140, 85554280]

約数ペア:

[(1, 85554280), (2, 42777140), (4, 21388570), (5, 17110856), (7, 12222040), (8, 10694285), (10, 8555428), (14, 6111020), (20, 4277714), (28, 3055510), (35, 2444408), (40, 2138857), (56, 1527755), (70, 1222204), (140, 611102), (280, 305551)]