129542800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{337}}^1$

素因数の和:417

約数の個数: 90

約数和(自身を含む): 322544274

約数和(自身を除く): 193001474

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 337, 400, 496, 620, 674, 775, 961, 1240, 1348, 1550, 1685, 1922, 2480, 2696, 3100, 3370, 3844, 4805, 5392, 6200, 6740, 7688, 8425, 9610, 10447, 12400, 13480, 15376, 16850, 19220, 20894, 24025, 26960, 33700, 38440, 41788, 48050, 52235, 67400, 76880, 83576, 96100, 104470, 134800, 167152, 192200, 208940, 261175, 323857, 384400, 417880, 522350, 647714, 835760, 1044700, 1295428, 1619285, 2089400, 2590856, 3238570, 4178800, 5181712, 6477140, 8096425, 12954280, 16192850, 25908560, 32385700, 64771400, 129542800]

約数ペア:

[(1, 129542800), (2, 64771400), (4, 32385700), (5, 25908560), (8, 16192850), (10, 12954280), (16, 8096425), (20, 6477140), (25, 5181712), (31, 4178800), (40, 3238570), (50, 2590856), (62, 2089400), (80, 1619285), (100, 1295428), (124, 1044700), (155, 835760), (200, 647714), (248, 522350), (310, 417880), (337, 384400), (400, 323857), (496, 261175), (620, 208940), (674, 192200), (775, 167152), (961, 134800), (1240, 104470), (1348, 96100), (1550, 83576), (1685, 76880), (1922, 67400), (2480, 52235), (2696, 48050), (3100, 41788), (3370, 38440), (3844, 33700), (4805, 26960), (5392, 24025), (6200, 20894), (6740, 19220), (7688, 16850), (8425, 15376), (9610, 13480), (10447, 12400)]