207946640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12437}}^1$

素因数の和:12480

約数の個数: 80

約数和(自身を含む): 555232320

約数和(自身を除く): 347285680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 12437, 16720, 24874, 49748, 62185, 99496, 124370, 136807, 198992, 236303, 248740, 273614, 472606, 497480, 547228, 684035, 945212, 994960, 1094456, 1181515, 1368070, 1890424, 2188912, 2363030, 2599333, 2736140, 3780848, 4726060, 5198666, 5472280, 9452120, 10397332, 10944560, 12996665, 18904240, 20794664, 25993330, 41589328, 51986660, 103973320, 207946640]

約数ペア:

[(1, 207946640), (2, 103973320), (4, 51986660), (5, 41589328), (8, 25993330), (10, 20794664), (11, 18904240), (16, 12996665), (19, 10944560), (20, 10397332), (22, 9452120), (38, 5472280), (40, 5198666), (44, 4726060), (55, 3780848), (76, 2736140), (80, 2599333), (88, 2363030), (95, 2188912), (110, 1890424), (152, 1368070), (176, 1181515), (190, 1094456), (209, 994960), (220, 945212), (304, 684035), (380, 547228), (418, 497480), (440, 472606), (760, 273614), (836, 248740), (880, 236303), (1045, 198992), (1520, 136807), (1672, 124370), (2090, 99496), (3344, 62185), (4180, 49748), (8360, 24874), (12437, 16720)]