55441540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 152832960

約数和(自身を除く): 97391420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 49, 55, 70, 74, 77, 98, 110, 139, 140, 148, 154, 185, 196, 220, 245, 259, 278, 308, 370, 385, 407, 490, 518, 539, 556, 695, 740, 770, 814, 973, 980, 1036, 1078, 1295, 1390, 1529, 1540, 1628, 1813, 1946, 2035, 2156, 2590, 2695, 2780, 2849, 3058, 3626, 3892, 4070, 4865, 5143, 5180, 5390, 5698, 6116, 6811, 7252, 7645, 8140, 9065, 9730, 10286, 10703, 10780, 11396, 13622, 14245, 15290, 18130, 19460, 19943, 20572, 21406, 25715, 27244, 28490, 30580, 34055, 36001, 36260, 39886, 42812, 51430, 53515, 56573, 56980, 68110, 72002, 74921, 79772, 99715, 102860, 107030, 113146, 136220, 144004, 149842, 180005, 199430, 214060, 226292, 252007, 282865, 299684, 360010, 374605, 396011, 398860, 504014, 565730, 720020, 749210, 792022, 1008028, 1131460, 1260035, 1498420, 1584044, 1980055, 2520070, 2772077, 3960110, 5040140, 5544154, 7920220, 11088308, 13860385, 27720770, 55441540]

約数ペア:

[(1, 55441540), (2, 27720770), (4, 13860385), (5, 11088308), (7, 7920220), (10, 5544154), (11, 5040140), (14, 3960110), (20, 2772077), (22, 2520070), (28, 1980055), (35, 1584044), (37, 1498420), (44, 1260035), (49, 1131460), (55, 1008028), (70, 792022), (74, 749210), (77, 720020), (98, 565730), (110, 504014), (139, 398860), (140, 396011), (148, 374605), (154, 360010), (185, 299684), (196, 282865), (220, 252007), (245, 226292), (259, 214060), (278, 199430), (308, 180005), (370, 149842), (385, 144004), (407, 136220), (490, 113146), (518, 107030), (539, 102860), (556, 99715), (695, 79772), (740, 74921), (770, 72002), (814, 68110), (973, 56980), (980, 56573), (1036, 53515), (1078, 51430), (1295, 42812), (1390, 39886), (1529, 36260), (1540, 36001), (1628, 34055), (1813, 30580), (1946, 28490), (2035, 27244), (2156, 25715), (2590, 21406), (2695, 20572), (2780, 19943), (2849, 19460), (3058, 18130), (3626, 15290), (3892, 14245), (4070, 13622), (4865, 11396), (5143, 10780), (5180, 10703), (5390, 10286), (5698, 9730), (6116, 9065), (6811, 8140), (7252, 7645)]