123990515

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 174666240

約数和(自身を除く): 50675725

約数列:

[1, 5, 11, 29, 37, 55, 121, 145, 185, 191, 319, 407, 605, 955, 1073, 1595, 2035, 2101, 3509, 4477, 5365, 5539, 7067, 10505, 11803, 17545, 22385, 23111, 27695, 35335, 59015, 60929, 77737, 115555, 129833, 204943, 304645, 388685, 649165, 670219, 855107, 1024715, 2254373, 3351095, 4275535, 11271865, 24798103, 123990515]

約数ペア:

[(1, 123990515), (5, 24798103), (11, 11271865), (29, 4275535), (37, 3351095), (55, 2254373), (121, 1024715), (145, 855107), (185, 670219), (191, 649165), (319, 388685), (407, 304645), (605, 204943), (955, 129833), (1073, 115555), (1595, 77737), (2035, 60929), (2101, 59015), (3509, 35335), (4477, 27695), (5365, 23111), (5539, 22385), (7067, 17545), (10505, 11803)]