1295428000

素因数分解:

$2^5\times 5^3\times {\mathrm{31}}^2\times {\mathrm{337}}^1$

素因数の和:424

約数の個数: 144

約数和(自身を含む): 3298610952

約数和(自身を除く): 2003182952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 337, 400, 496, 500, 620, 674, 775, 800, 961, 992, 1000, 1240, 1348, 1550, 1685, 1922, 2000, 2480, 2696, 3100, 3370, 3844, 3875, 4000, 4805, 4960, 5392, 6200, 6740, 7688, 7750, 8425, 9610, 10447, 10784, 12400, 13480, 15376, 15500, 16850, 19220, 20894, 24025, 24800, 26960, 30752, 31000, 33700, 38440, 41788, 42125, 48050, 52235, 53920, 62000, 67400, 76880, 83576, 84250, 96100, 104470, 120125, 124000, 134800, 153760, 167152, 168500, 192200, 208940, 240250, 261175, 269600, 323857, 334304, 337000, 384400, 417880, 480500, 522350, 647714, 674000, 768800, 835760, 961000, 1044700, 1295428, 1305875, 1348000, 1619285, 1671520, 1922000, 2089400, 2590856, 2611750, 3238570, 3844000, 4178800, 5181712, 5223500, 6477140, 8096425, 8357600, 10363424, 10447000, 12954280, 16192850, 20894000, 25908560, 32385700, 40482125, 41788000, 51817120, 64771400, 80964250, 129542800, 161928500, 259085600, 323857000, 647714000, 1295428000]

約数ペア:

[(1, 1295428000), (2, 647714000), (4, 323857000), (5, 259085600), (8, 161928500), (10, 129542800), (16, 80964250), (20, 64771400), (25, 51817120), (31, 41788000), (32, 40482125), (40, 32385700), (50, 25908560), (62, 20894000), (80, 16192850), (100, 12954280), (124, 10447000), (125, 10363424), (155, 8357600), (160, 8096425), (200, 6477140), (248, 5223500), (250, 5181712), (310, 4178800), (337, 3844000), (400, 3238570), (496, 2611750), (500, 2590856), (620, 2089400), (674, 1922000), (775, 1671520), (800, 1619285), (961, 1348000), (992, 1305875), (1000, 1295428), (1240, 1044700), (1348, 961000), (1550, 835760), (1685, 768800), (1922, 674000), (2000, 647714), (2480, 522350), (2696, 480500), (3100, 417880), (3370, 384400), (3844, 337000), (3875, 334304), (4000, 323857), (4805, 269600), (4960, 261175), (5392, 240250), (6200, 208940), (6740, 192200), (7688, 168500), (7750, 167152), (8425, 153760), (9610, 134800), (10447, 124000), (10784, 120125), (12400, 104470), (13480, 96100), (15376, 84250), (15500, 83576), (16850, 76880), (19220, 67400), (20894, 62000), (24025, 53920), (24800, 52235), (26960, 48050), (30752, 42125), (31000, 41788), (33700, 38440)]