206705510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1397

約数の個数: 48

約数和(自身を含む): 412246800

約数和(自身を除く): 205541290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 139, 242, 278, 605, 695, 1210, 1229, 1390, 1529, 2458, 3058, 6145, 7645, 12290, 13519, 15290, 16819, 27038, 33638, 67595, 84095, 135190, 148709, 168190, 170831, 297418, 341662, 743545, 854155, 1487090, 1708310, 1879141, 3758282, 9395705, 18791410, 20670551, 41341102, 103352755, 206705510]

約数ペア:

[(1, 206705510), (2, 103352755), (5, 41341102), (10, 20670551), (11, 18791410), (22, 9395705), (55, 3758282), (110, 1879141), (121, 1708310), (139, 1487090), (242, 854155), (278, 743545), (605, 341662), (695, 297418), (1210, 170831), (1229, 168190), (1390, 148709), (1529, 135190), (2458, 84095), (3058, 67595), (6145, 33638), (7645, 27038), (12290, 16819), (13519, 15290)]