28388000

素因数分解:

$2^5\times 5^3\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 71705088

約数和(自身を除く): 43317088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 125, 151, 160, 188, 200, 235, 250, 302, 376, 400, 470, 500, 604, 752, 755, 800, 940, 1000, 1175, 1208, 1504, 1510, 1880, 2000, 2350, 2416, 3020, 3760, 3775, 4000, 4700, 4832, 5875, 6040, 7097, 7520, 7550, 9400, 11750, 12080, 14194, 15100, 18800, 18875, 23500, 24160, 28388, 30200, 35485, 37600, 37750, 47000, 56776, 60400, 70970, 75500, 94000, 113552, 120800, 141940, 151000, 177425, 188000, 227104, 283880, 302000, 354850, 567760, 604000, 709700, 887125, 1135520, 1419400, 1774250, 2838800, 3548500, 5677600, 7097000, 14194000, 28388000]

約数ペア:

[(1, 28388000), (2, 14194000), (4, 7097000), (5, 5677600), (8, 3548500), (10, 2838800), (16, 1774250), (20, 1419400), (25, 1135520), (32, 887125), (40, 709700), (47, 604000), (50, 567760), (80, 354850), (94, 302000), (100, 283880), (125, 227104), (151, 188000), (160, 177425), (188, 151000), (200, 141940), (235, 120800), (250, 113552), (302, 94000), (376, 75500), (400, 70970), (470, 60400), (500, 56776), (604, 47000), (752, 37750), (755, 37600), (800, 35485), (940, 30200), (1000, 28388), (1175, 24160), (1208, 23500), (1504, 18875), (1510, 18800), (1880, 15100), (2000, 14194), (2350, 12080), (2416, 11750), (3020, 9400), (3760, 7550), (3775, 7520), (4000, 7097), (4700, 6040), (4832, 5875)]