27720770

素因数分解:

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

素因数の和:208

約数の個数: 96

約数和(自身を含む): 65499840

約数和(自身を除く): 37779070

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 49, 55, 70, 74, 77, 98, 110, 139, 154, 185, 245, 259, 278, 370, 385, 407, 490, 518, 539, 695, 770, 814, 973, 1078, 1295, 1390, 1529, 1813, 1946, 2035, 2590, 2695, 2849, 3058, 3626, 4070, 4865, 5143, 5390, 5698, 6811, 7645, 9065, 9730, 10286, 10703, 13622, 14245, 15290, 18130, 19943, 21406, 25715, 28490, 34055, 36001, 39886, 51430, 53515, 56573, 68110, 72002, 74921, 99715, 107030, 113146, 149842, 180005, 199430, 252007, 282865, 360010, 374605, 396011, 504014, 565730, 749210, 792022, 1260035, 1980055, 2520070, 2772077, 3960110, 5544154, 13860385, 27720770]

約数ペア:

[(1, 27720770), (2, 13860385), (5, 5544154), (7, 3960110), (10, 2772077), (11, 2520070), (14, 1980055), (22, 1260035), (35, 792022), (37, 749210), (49, 565730), (55, 504014), (70, 396011), (74, 374605), (77, 360010), (98, 282865), (110, 252007), (139, 199430), (154, 180005), (185, 149842), (245, 113146), (259, 107030), (278, 99715), (370, 74921), (385, 72002), (407, 68110), (490, 56573), (518, 53515), (539, 51430), (695, 39886), (770, 36001), (814, 34055), (973, 28490), (1078, 25715), (1295, 21406), (1390, 19943), (1529, 18130), (1813, 15290), (1946, 14245), (2035, 13622), (2590, 10703), (2695, 10286), (2849, 9730), (3058, 9065), (3626, 7645), (4070, 6811), (4865, 5698), (5143, 5390)]