177513640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1117}}^1$

素因数の和:1294

約数の個数: 64

約数和(自身を含む): 416566800

約数和(自身を除く): 239053160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 137, 145, 232, 274, 290, 548, 580, 685, 1096, 1117, 1160, 1370, 2234, 2740, 3973, 4468, 5480, 5585, 7946, 8936, 11170, 15892, 19865, 22340, 31784, 32393, 39730, 44680, 64786, 79460, 129572, 153029, 158920, 161965, 259144, 306058, 323930, 612116, 647860, 765145, 1224232, 1295720, 1530290, 3060580, 4437841, 6121160, 8875682, 17751364, 22189205, 35502728, 44378410, 88756820, 177513640]

約数ペア:

[(1, 177513640), (2, 88756820), (4, 44378410), (5, 35502728), (8, 22189205), (10, 17751364), (20, 8875682), (29, 6121160), (40, 4437841), (58, 3060580), (116, 1530290), (137, 1295720), (145, 1224232), (232, 765145), (274, 647860), (290, 612116), (548, 323930), (580, 306058), (685, 259144), (1096, 161965), (1117, 158920), (1160, 153029), (1370, 129572), (2234, 79460), (2740, 64786), (3973, 44680), (4468, 39730), (5480, 32393), (5585, 31784), (7946, 22340), (8936, 19865), (11170, 15892)]