1218129500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:269

約数の個数: 192

約数和(自身を含む): 3198074880

約数和(自身を除く): 1979945380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 103, 109, 124, 125, 140, 155, 175, 206, 217, 218, 250, 310, 350, 412, 434, 436, 500, 515, 545, 620, 700, 721, 763, 775, 868, 875, 1030, 1085, 1090, 1442, 1526, 1550, 1750, 2060, 2170, 2180, 2575, 2725, 2884, 3052, 3100, 3193, 3379, 3500, 3605, 3815, 3875, 4340, 5150, 5425, 5450, 6386, 6758, 7210, 7630, 7750, 10300, 10850, 10900, 11227, 12772, 12875, 13516, 13625, 14420, 15260, 15500, 15965, 16895, 18025, 19075, 21700, 22351, 22454, 23653, 25750, 27125, 27250, 31930, 33790, 36050, 38150, 44702, 44908, 47306, 51500, 54250, 54500, 56135, 63860, 67580, 72100, 76300, 78589, 79825, 84475, 89404, 90125, 94612, 95375, 108500, 111755, 112270, 118265, 157178, 159650, 168950, 180250, 190750, 223510, 224540, 236530, 280675, 314356, 319300, 337900, 348037, 360500, 381500, 392945, 399125, 422375, 447020, 473060, 558775, 561350, 591325, 696074, 785890, 798250, 844750, 1117550, 1122700, 1182650, 1392148, 1403375, 1571780, 1596500, 1689500, 1740185, 1964725, 2235100, 2365300, 2436259, 2793875, 2806750, 2956625, 3480370, 3929450, 4872518, 5587750, 5613500, 5913250, 6960740, 7858900, 8700925, 9745036, 9823625, 11175500, 11826500, 12181295, 17401850, 19647250, 24362590, 34803700, 39294500, 43504625, 48725180, 60906475, 87009250, 121812950, 174018500, 243625900, 304532375, 609064750, 1218129500]

約数ペア:

[(1, 1218129500), (2, 609064750), (4, 304532375), (5, 243625900), (7, 174018500), (10, 121812950), (14, 87009250), (20, 60906475), (25, 48725180), (28, 43504625), (31, 39294500), (35, 34803700), (50, 24362590), (62, 19647250), (70, 17401850), (100, 12181295), (103, 11826500), (109, 11175500), (124, 9823625), (125, 9745036), (140, 8700925), (155, 7858900), (175, 6960740), (206, 5913250), (217, 5613500), (218, 5587750), (250, 4872518), (310, 3929450), (350, 3480370), (412, 2956625), (434, 2806750), (436, 2793875), (500, 2436259), (515, 2365300), (545, 2235100), (620, 1964725), (700, 1740185), (721, 1689500), (763, 1596500), (775, 1571780), (868, 1403375), (875, 1392148), (1030, 1182650), (1085, 1122700), (1090, 1117550), (1442, 844750), (1526, 798250), (1550, 785890), (1750, 696074), (2060, 591325), (2170, 561350), (2180, 558775), (2575, 473060), (2725, 447020), (2884, 422375), (3052, 399125), (3100, 392945), (3193, 381500), (3379, 360500), (3500, 348037), (3605, 337900), (3815, 319300), (3875, 314356), (4340, 280675), (5150, 236530), (5425, 224540), (5450, 223510), (6386, 190750), (6758, 180250), (7210, 168950), (7630, 159650), (7750, 157178), (10300, 118265), (10850, 112270), (10900, 111755), (11227, 108500), (12772, 95375), (12875, 94612), (13516, 90125), (13625, 89404), (14420, 84475), (15260, 79825), (15500, 78589), (15965, 76300), (16895, 72100), (18025, 67580), (19075, 63860), (21700, 56135), (22351, 54500), (22454, 54250), (23653, 51500), (25750, 47306), (27125, 44908), (27250, 44702), (31930, 38150), (33790, 36050)]