203464880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1134

約数の個数: 80

約数和(自身を含む): 492718464

約数和(自身を除く): 289253584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 53, 80, 94, 106, 188, 212, 235, 265, 376, 424, 470, 530, 752, 848, 940, 1021, 1060, 1880, 2042, 2120, 2491, 3760, 4084, 4240, 4982, 5105, 8168, 9964, 10210, 12455, 16336, 19928, 20420, 24910, 39856, 40840, 47987, 49820, 54113, 81680, 95974, 99640, 108226, 191948, 199280, 216452, 239935, 270565, 383896, 432904, 479870, 541130, 767792, 865808, 959740, 1082260, 1919480, 2164520, 2543311, 3838960, 4329040, 5086622, 10173244, 12716555, 20346488, 25433110, 40692976, 50866220, 101732440, 203464880]

約数ペア:

[(1, 203464880), (2, 101732440), (4, 50866220), (5, 40692976), (8, 25433110), (10, 20346488), (16, 12716555), (20, 10173244), (40, 5086622), (47, 4329040), (53, 3838960), (80, 2543311), (94, 2164520), (106, 1919480), (188, 1082260), (212, 959740), (235, 865808), (265, 767792), (376, 541130), (424, 479870), (470, 432904), (530, 383896), (752, 270565), (848, 239935), (940, 216452), (1021, 199280), (1060, 191948), (1880, 108226), (2042, 99640), (2120, 95974), (2491, 81680), (3760, 54113), (4084, 49820), (4240, 47987), (4982, 40840), (5105, 39856), (8168, 24910), (9964, 20420), (10210, 19928), (12455, 16336)]