280765232

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1698

約数の個数: 80

約数和(自身を含む): 634030848

約数和(自身を除く): 353265616

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 43, 44, 46, 86, 88, 92, 172, 176, 184, 253, 344, 368, 473, 506, 688, 946, 989, 1012, 1613, 1892, 1978, 2024, 3226, 3784, 3956, 4048, 6452, 7568, 7912, 10879, 12904, 15824, 17743, 21758, 25808, 35486, 37099, 43516, 69359, 70972, 74198, 87032, 138718, 141944, 148396, 174064, 277436, 283888, 296792, 408089, 554872, 593584, 762949, 816178, 1109744, 1525898, 1595257, 1632356, 3051796, 3190514, 3264712, 6103592, 6381028, 6529424, 12207184, 12762056, 17547827, 25524112, 35095654, 70191308, 140382616, 280765232]

約数ペア:

[(1, 280765232), (2, 140382616), (4, 70191308), (8, 35095654), (11, 25524112), (16, 17547827), (22, 12762056), (23, 12207184), (43, 6529424), (44, 6381028), (46, 6103592), (86, 3264712), (88, 3190514), (92, 3051796), (172, 1632356), (176, 1595257), (184, 1525898), (253, 1109744), (344, 816178), (368, 762949), (473, 593584), (506, 554872), (688, 408089), (946, 296792), (989, 283888), (1012, 277436), (1613, 174064), (1892, 148396), (1978, 141944), (2024, 138718), (3226, 87032), (3784, 74198), (3956, 70972), (4048, 69359), (6452, 43516), (7568, 37099), (7912, 35486), (10879, 25808), (12904, 21758), (15824, 17743)]