280712944

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{1693}}^1$

素因数の和:1985

約数の個数: 40

約数和(自身を含む): 559169072

約数和(自身を除く): 278456128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 241, 344, 482, 688, 964, 1693, 1928, 3386, 3856, 6772, 10363, 13544, 20726, 27088, 41452, 72799, 82904, 145598, 165808, 291196, 408013, 582392, 816026, 1164784, 1632052, 3264104, 6528208, 17544559, 35089118, 70178236, 140356472, 280712944]

約数ペア:

[(1, 280712944), (2, 140356472), (4, 70178236), (8, 35089118), (16, 17544559), (43, 6528208), (86, 3264104), (172, 1632052), (241, 1164784), (344, 816026), (482, 582392), (688, 408013), (964, 291196), (1693, 165808), (1928, 145598), (3386, 82904), (3856, 72799), (6772, 41452), (10363, 27088), (13544, 20726)]