248356500

素因数分解:

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

素因数の和:176

約数の個数: 288

約数和(自身を含む): 876395520

約数和(自身を除く): 628039020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 49, 50, 60, 62, 70, 75, 84, 93, 98, 100, 105, 109, 124, 125, 140, 147, 150, 155, 175, 186, 196, 210, 217, 218, 245, 250, 294, 300, 310, 327, 350, 372, 375, 420, 434, 436, 465, 490, 500, 525, 545, 588, 620, 651, 654, 700, 735, 750, 763, 775, 868, 875, 930, 980, 1050, 1085, 1090, 1225, 1302, 1308, 1470, 1500, 1519, 1526, 1550, 1635, 1750, 1860, 2100, 2170, 2180, 2289, 2325, 2450, 2604, 2625, 2725, 2940, 3038, 3052, 3100, 3255, 3270, 3379, 3500, 3675, 3815, 3875, 4340, 4557, 4578, 4650, 4900, 5250, 5341, 5425, 5450, 6076, 6125, 6510, 6540, 6758, 7350, 7595, 7630, 7750, 8175, 9114, 9156, 9300, 10137, 10500, 10682, 10850, 10900, 11445, 11625, 12250, 13020, 13516, 13625, 14700, 15190, 15260, 15500, 16023, 16275, 16350, 16895, 18228, 18375, 19075, 20274, 21364, 21700, 22785, 22890, 23250, 23653, 24500, 26705, 27125, 27250, 30380, 32046, 32550, 32700, 33790, 36750, 37975, 38150, 40548, 40875, 45570, 45780, 46500, 47306, 50685, 53410, 54250, 54500, 57225, 64092, 65100, 67580, 70959, 73500, 75950, 76300, 80115, 81375, 81750, 84475, 91140, 94612, 95375, 101370, 106820, 108500, 113925, 114450, 118265, 133525, 141918, 151900, 160230, 162750, 163500, 165571, 168950, 189875, 190750, 202740, 227850, 228900, 236530, 253425, 267050, 283836, 286125, 320460, 325500, 331142, 337900, 354795, 379750, 381500, 400575, 422375, 455700, 473060, 496713, 506850, 534100, 569625, 572250, 591325, 662284, 667625, 709590, 759500, 801150, 827855, 844750, 993426, 1013700, 1139250, 1144500, 1182650, 1267125, 1335250, 1419180, 1602300, 1655710, 1689500, 1773975, 1986852, 2002875, 2278500, 2365300, 2483565, 2534250, 2670500, 2956625, 3311420, 3547950, 4005750, 4139275, 4967130, 5068500, 5913250, 7095900, 8011500, 8278550, 8869875, 9934260, 11826500, 12417825, 16557100, 17739750, 20696375, 24835650, 35479500, 41392750, 49671300, 62089125, 82785500, 124178250, 248356500]

約数ペア:

[(1, 248356500), (2, 124178250), (3, 82785500), (4, 62089125), (5, 49671300), (6, 41392750), (7, 35479500), (10, 24835650), (12, 20696375), (14, 17739750), (15, 16557100), (20, 12417825), (21, 11826500), (25, 9934260), (28, 8869875), (30, 8278550), (31, 8011500), (35, 7095900), (42, 5913250), (49, 5068500), (50, 4967130), (60, 4139275), (62, 4005750), (70, 3547950), (75, 3311420), (84, 2956625), (93, 2670500), (98, 2534250), (100, 2483565), (105, 2365300), (109, 2278500), (124, 2002875), (125, 1986852), (140, 1773975), (147, 1689500), (150, 1655710), (155, 1602300), (175, 1419180), (186, 1335250), (196, 1267125), (210, 1182650), (217, 1144500), (218, 1139250), (245, 1013700), (250, 993426), (294, 844750), (300, 827855), (310, 801150), (327, 759500), (350, 709590), (372, 667625), (375, 662284), (420, 591325), (434, 572250), (436, 569625), (465, 534100), (490, 506850), (500, 496713), (525, 473060), (545, 455700), (588, 422375), (620, 400575), (651, 381500), (654, 379750), (700, 354795), (735, 337900), (750, 331142), (763, 325500), (775, 320460), (868, 286125), (875, 283836), (930, 267050), (980, 253425), (1050, 236530), (1085, 228900), (1090, 227850), (1225, 202740), (1302, 190750), (1308, 189875), (1470, 168950), (1500, 165571), (1519, 163500), (1526, 162750), (1550, 160230), (1635, 151900), (1750, 141918), (1860, 133525), (2100, 118265), (2170, 114450), (2180, 113925), (2289, 108500), (2325, 106820), (2450, 101370), (2604, 95375), (2625, 94612), (2725, 91140), (2940, 84475), (3038, 81750), (3052, 81375), (3100, 80115), (3255, 76300), (3270, 75950), (3379, 73500), (3500, 70959), (3675, 67580), (3815, 65100), (3875, 64092), (4340, 57225), (4557, 54500), (4578, 54250), (4650, 53410), (4900, 50685), (5250, 47306), (5341, 46500), (5425, 45780), (5450, 45570), (6076, 40875), (6125, 40548), (6510, 38150), (6540, 37975), (6758, 36750), (7350, 33790), (7595, 32700), (7630, 32550), (7750, 32046), (8175, 30380), (9114, 27250), (9156, 27125), (9300, 26705), (10137, 24500), (10500, 23653), (10682, 23250), (10850, 22890), (10900, 22785), (11445, 21700), (11625, 21364), (12250, 20274), (13020, 19075), (13516, 18375), (13625, 18228), (14700, 16895), (15190, 16350), (15260, 16275), (15500, 16023)]