201091880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 516015360

約数和(自身を除く): 314923480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 71, 82, 88, 110, 142, 157, 164, 205, 220, 284, 314, 328, 355, 410, 440, 451, 568, 628, 710, 781, 785, 820, 902, 1256, 1420, 1562, 1570, 1640, 1727, 1804, 2255, 2840, 2911, 3124, 3140, 3454, 3608, 3905, 4510, 5822, 6248, 6280, 6437, 6908, 7810, 8635, 9020, 11147, 11644, 12874, 13816, 14555, 15620, 17270, 18040, 22294, 23288, 25748, 29110, 31240, 32021, 32185, 34540, 44588, 51496, 55735, 58220, 64042, 64370, 69080, 70807, 89176, 111470, 116440, 122617, 128084, 128740, 141614, 160105, 222940, 245234, 256168, 257480, 283228, 320210, 354035, 445880, 457027, 490468, 566456, 613085, 640420, 708070, 914054, 980936, 1226170, 1280840, 1416140, 1828108, 2285135, 2452340, 2832280, 3656216, 4570270, 4904680, 5027297, 9140540, 10054594, 18281080, 20109188, 25136485, 40218376, 50272970, 100545940, 201091880]

約数ペア:

[(1, 201091880), (2, 100545940), (4, 50272970), (5, 40218376), (8, 25136485), (10, 20109188), (11, 18281080), (20, 10054594), (22, 9140540), (40, 5027297), (41, 4904680), (44, 4570270), (55, 3656216), (71, 2832280), (82, 2452340), (88, 2285135), (110, 1828108), (142, 1416140), (157, 1280840), (164, 1226170), (205, 980936), (220, 914054), (284, 708070), (314, 640420), (328, 613085), (355, 566456), (410, 490468), (440, 457027), (451, 445880), (568, 354035), (628, 320210), (710, 283228), (781, 257480), (785, 256168), (820, 245234), (902, 222940), (1256, 160105), (1420, 141614), (1562, 128740), (1570, 128084), (1640, 122617), (1727, 116440), (1804, 111470), (2255, 89176), (2840, 70807), (2911, 69080), (3124, 64370), (3140, 64042), (3454, 58220), (3608, 55735), (3905, 51496), (4510, 44588), (5822, 34540), (6248, 32185), (6280, 32021), (6437, 31240), (6908, 29110), (7810, 25748), (8635, 23288), (9020, 22294), (11147, 18040), (11644, 17270), (12874, 15620), (13816, 14555)]