51498300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 172488960

約数和(自身を除く): 120990660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 137, 140, 150, 175, 179, 210, 274, 300, 350, 358, 411, 420, 525, 537, 548, 685, 700, 716, 822, 895, 959, 1050, 1074, 1253, 1370, 1644, 1790, 1918, 2055, 2100, 2148, 2506, 2685, 2740, 2877, 3425, 3580, 3759, 3836, 4110, 4475, 4795, 5012, 5370, 5754, 6265, 6850, 7518, 8220, 8950, 9590, 10275, 10740, 11508, 12530, 13425, 13700, 14385, 15036, 17900, 18795, 19180, 20550, 23975, 24523, 25060, 26850, 28770, 31325, 37590, 41100, 47950, 49046, 53700, 57540, 62650, 71925, 73569, 75180, 93975, 95900, 98092, 122615, 125300, 143850, 147138, 171661, 187950, 245230, 287700, 294276, 343322, 367845, 375900, 490460, 514983, 613075, 686644, 735690, 858305, 1029966, 1226150, 1471380, 1716610, 1839225, 2059932, 2452300, 2574915, 3433220, 3678450, 4291525, 5149830, 7356900, 8583050, 10299660, 12874575, 17166100, 25749150, 51498300]

約数ペア:

[(1, 51498300), (2, 25749150), (3, 17166100), (4, 12874575), (5, 10299660), (6, 8583050), (7, 7356900), (10, 5149830), (12, 4291525), (14, 3678450), (15, 3433220), (20, 2574915), (21, 2452300), (25, 2059932), (28, 1839225), (30, 1716610), (35, 1471380), (42, 1226150), (50, 1029966), (60, 858305), (70, 735690), (75, 686644), (84, 613075), (100, 514983), (105, 490460), (137, 375900), (140, 367845), (150, 343322), (175, 294276), (179, 287700), (210, 245230), (274, 187950), (300, 171661), (350, 147138), (358, 143850), (411, 125300), (420, 122615), (525, 98092), (537, 95900), (548, 93975), (685, 75180), (700, 73569), (716, 71925), (822, 62650), (895, 57540), (959, 53700), (1050, 49046), (1074, 47950), (1253, 41100), (1370, 37590), (1644, 31325), (1790, 28770), (1918, 26850), (2055, 25060), (2100, 24523), (2148, 23975), (2506, 20550), (2685, 19180), (2740, 18795), (2877, 17900), (3425, 15036), (3580, 14385), (3759, 13700), (3836, 13425), (4110, 12530), (4475, 11508), (4795, 10740), (5012, 10275), (5370, 9590), (5754, 8950), (6265, 8220), (6850, 7518)]