82785500

素因数分解:

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

素因数の和:173

約数の個数: 144

約数和(自身を含む): 219098880

約数和(自身を除く): 136313380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 98, 100, 109, 124, 125, 140, 155, 175, 196, 217, 218, 245, 250, 310, 350, 434, 436, 490, 500, 545, 620, 700, 763, 775, 868, 875, 980, 1085, 1090, 1225, 1519, 1526, 1550, 1750, 2170, 2180, 2450, 2725, 3038, 3052, 3100, 3379, 3500, 3815, 3875, 4340, 4900, 5341, 5425, 5450, 6076, 6125, 6758, 7595, 7630, 7750, 10682, 10850, 10900, 12250, 13516, 13625, 15190, 15260, 15500, 16895, 19075, 21364, 21700, 23653, 24500, 26705, 27125, 27250, 30380, 33790, 37975, 38150, 47306, 53410, 54250, 54500, 67580, 75950, 76300, 84475, 94612, 95375, 106820, 108500, 118265, 133525, 151900, 165571, 168950, 189875, 190750, 236530, 267050, 331142, 337900, 379750, 381500, 422375, 473060, 534100, 591325, 662284, 667625, 759500, 827855, 844750, 1182650, 1335250, 1655710, 1689500, 2365300, 2670500, 2956625, 3311420, 4139275, 5913250, 8278550, 11826500, 16557100, 20696375, 41392750, 82785500]

約数ペア:

[(1, 82785500), (2, 41392750), (4, 20696375), (5, 16557100), (7, 11826500), (10, 8278550), (14, 5913250), (20, 4139275), (25, 3311420), (28, 2956625), (31, 2670500), (35, 2365300), (49, 1689500), (50, 1655710), (62, 1335250), (70, 1182650), (98, 844750), (100, 827855), (109, 759500), (124, 667625), (125, 662284), (140, 591325), (155, 534100), (175, 473060), (196, 422375), (217, 381500), (218, 379750), (245, 337900), (250, 331142), (310, 267050), (350, 236530), (434, 190750), (436, 189875), (490, 168950), (500, 165571), (545, 151900), (620, 133525), (700, 118265), (763, 108500), (775, 106820), (868, 95375), (875, 94612), (980, 84475), (1085, 76300), (1090, 75950), (1225, 67580), (1519, 54500), (1526, 54250), (1550, 53410), (1750, 47306), (2170, 38150), (2180, 37975), (2450, 33790), (2725, 30380), (3038, 27250), (3052, 27125), (3100, 26705), (3379, 24500), (3500, 23653), (3815, 21700), (3875, 21364), (4340, 19075), (4900, 16895), (5341, 15500), (5425, 15260), (5450, 15190), (6076, 13625), (6125, 13516), (6758, 12250), (7595, 10900), (7630, 10850), (7750, 10682)]