847011440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20479}}^1$

素因数の和:20550

約数の個数: 80

約数和(自身を含む): 2194145280

約数和(自身を除く): 1347133840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1880, 2068, 2585, 3760, 4136, 5170, 8272, 10340, 20479, 20680, 40958, 41360, 81916, 102395, 163832, 204790, 225269, 327664, 409580, 450538, 819160, 901076, 962513, 1126345, 1638320, 1802152, 1925026, 2252690, 3604304, 3850052, 4505380, 4812565, 7700104, 9010760, 9625130, 10587643, 15400208, 18021520, 19250260, 21175286, 38500520, 42350572, 52938215, 77001040, 84701144, 105876430, 169402288, 211752860, 423505720, 847011440]

約数ペア:

[(1, 847011440), (2, 423505720), (4, 211752860), (5, 169402288), (8, 105876430), (10, 84701144), (11, 77001040), (16, 52938215), (20, 42350572), (22, 38500520), (40, 21175286), (44, 19250260), (47, 18021520), (55, 15400208), (80, 10587643), (88, 9625130), (94, 9010760), (110, 7700104), (176, 4812565), (188, 4505380), (220, 3850052), (235, 3604304), (376, 2252690), (440, 1925026), (470, 1802152), (517, 1638320), (752, 1126345), (880, 962513), (940, 901076), (1034, 819160), (1880, 450538), (2068, 409580), (2585, 327664), (3760, 225269), (4136, 204790), (5170, 163832), (8272, 102395), (10340, 81916), (20479, 41360), (20680, 40958)]