2009864752

素因数分解:

$2^4\times 7^3\times {\mathrm{23}}^1\times {\mathrm{15923}}^1$

素因数の和:15975

約数の個数: 80

約数和(自身を含む): 4738982400

約数和(自身を除く): 2729117648

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 343, 368, 392, 644, 686, 784, 1127, 1288, 1372, 2254, 2576, 2744, 4508, 5488, 7889, 9016, 15778, 15923, 18032, 31556, 31846, 63112, 63692, 111461, 126224, 127384, 222922, 254768, 366229, 445844, 732458, 780227, 891688, 1464916, 1560454, 1783376, 2563603, 2929832, 3120908, 5127206, 5461589, 5859664, 6241816, 10254412, 10923178, 12483632, 17945221, 20508824, 21846356, 35890442, 41017648, 43692712, 71780884, 87385424, 125616547, 143561768, 251233094, 287123536, 502466188, 1004932376, 2009864752]

約数ペア:

[(1, 2009864752), (2, 1004932376), (4, 502466188), (7, 287123536), (8, 251233094), (14, 143561768), (16, 125616547), (23, 87385424), (28, 71780884), (46, 43692712), (49, 41017648), (56, 35890442), (92, 21846356), (98, 20508824), (112, 17945221), (161, 12483632), (184, 10923178), (196, 10254412), (322, 6241816), (343, 5859664), (368, 5461589), (392, 5127206), (644, 3120908), (686, 2929832), (784, 2563603), (1127, 1783376), (1288, 1560454), (1372, 1464916), (2254, 891688), (2576, 780227), (2744, 732458), (4508, 445844), (5488, 366229), (7889, 254768), (9016, 222922), (15778, 127384), (15923, 126224), (18032, 111461), (31556, 63692), (31846, 63112)]