72778075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 100931040

約数和(自身を除く): 28152965

約数列:

[1, 5, 19, 25, 37, 41, 95, 101, 185, 205, 475, 505, 703, 779, 925, 1025, 1517, 1919, 2525, 3515, 3737, 3895, 4141, 7585, 9595, 17575, 18685, 19475, 20705, 28823, 37925, 47975, 71003, 78679, 93425, 103525, 144115, 153217, 355015, 393395, 720575, 766085, 1775075, 1966975, 2911123, 3830425, 14555615, 72778075]

約数ペア:

[(1, 72778075), (5, 14555615), (19, 3830425), (25, 2911123), (37, 1966975), (41, 1775075), (95, 766085), (101, 720575), (185, 393395), (205, 355015), (475, 153217), (505, 144115), (703, 103525), (779, 93425), (925, 78679), (1025, 71003), (1517, 47975), (1919, 37925), (2525, 28823), (3515, 20705), (3737, 19475), (3895, 18685), (4141, 17575), (7585, 9595)]