138858560

素因数分解:

$2^6\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1481}}^1$

素因数の和:1791

約数の個数: 56

約数和(自身を含む): 332009496

約数和(自身を除く): 193150936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 293, 320, 586, 1172, 1465, 1481, 2344, 2930, 2962, 4688, 5860, 5924, 7405, 9376, 11720, 11848, 14810, 18752, 23440, 23696, 29620, 46880, 47392, 59240, 93760, 94784, 118480, 236960, 433933, 473920, 867866, 1735732, 2169665, 3471464, 4339330, 6942928, 8678660, 13885856, 17357320, 27771712, 34714640, 69429280, 138858560]

約数ペア:

[(1, 138858560), (2, 69429280), (4, 34714640), (5, 27771712), (8, 17357320), (10, 13885856), (16, 8678660), (20, 6942928), (32, 4339330), (40, 3471464), (64, 2169665), (80, 1735732), (160, 867866), (293, 473920), (320, 433933), (586, 236960), (1172, 118480), (1465, 94784), (1481, 93760), (2344, 59240), (2930, 47392), (2962, 46880), (4688, 29620), (5860, 23696), (5924, 23440), (7405, 18752), (9376, 14810), (11720, 11848)]