208036840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 543179520

約数和(自身を除く): 335142680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 61, 88, 92, 110, 115, 122, 184, 220, 230, 244, 253, 305, 337, 440, 460, 488, 506, 610, 671, 674, 920, 1012, 1220, 1265, 1342, 1348, 1403, 1685, 2024, 2440, 2530, 2684, 2696, 2806, 3355, 3370, 3707, 5060, 5368, 5612, 6710, 6740, 7015, 7414, 7751, 10120, 11224, 13420, 13480, 14030, 14828, 15433, 15502, 18535, 20557, 26840, 28060, 29656, 30866, 31004, 37070, 38755, 41114, 56120, 61732, 62008, 74140, 77165, 77510, 82228, 85261, 102785, 123464, 148280, 154330, 155020, 164456, 170522, 205570, 226127, 308660, 310040, 341044, 411140, 426305, 452254, 472811, 617320, 682088, 822280, 852610, 904508, 945622, 1130635, 1705220, 1809016, 1891244, 2261270, 2364055, 3410440, 3782488, 4522540, 4728110, 5200921, 9045080, 9456220, 10401842, 18912440, 20803684, 26004605, 41607368, 52009210, 104018420, 208036840]

約数ペア:

[(1, 208036840), (2, 104018420), (4, 52009210), (5, 41607368), (8, 26004605), (10, 20803684), (11, 18912440), (20, 10401842), (22, 9456220), (23, 9045080), (40, 5200921), (44, 4728110), (46, 4522540), (55, 3782488), (61, 3410440), (88, 2364055), (92, 2261270), (110, 1891244), (115, 1809016), (122, 1705220), (184, 1130635), (220, 945622), (230, 904508), (244, 852610), (253, 822280), (305, 682088), (337, 617320), (440, 472811), (460, 452254), (488, 426305), (506, 411140), (610, 341044), (671, 310040), (674, 308660), (920, 226127), (1012, 205570), (1220, 170522), (1265, 164456), (1342, 155020), (1348, 154330), (1403, 148280), (1685, 123464), (2024, 102785), (2440, 85261), (2530, 82228), (2684, 77510), (2696, 77165), (2806, 74140), (3355, 62008), (3370, 61732), (3707, 56120), (5060, 41114), (5368, 38755), (5612, 37070), (6710, 31004), (6740, 30866), (7015, 29656), (7414, 28060), (7751, 26840), (10120, 20557), (11224, 18535), (13420, 15502), (13480, 15433), (14030, 14828)]