12971000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 37065600

約数和(自身を除く): 24094600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 85, 100, 109, 119, 125, 136, 140, 170, 175, 200, 218, 238, 250, 280, 340, 350, 425, 436, 476, 500, 545, 595, 680, 700, 763, 850, 872, 875, 952, 1000, 1090, 1190, 1400, 1526, 1700, 1750, 1853, 2125, 2180, 2380, 2725, 2975, 3052, 3400, 3500, 3706, 3815, 4250, 4360, 4760, 5450, 5950, 6104, 7000, 7412, 7630, 8500, 9265, 10900, 11900, 12971, 13625, 14824, 14875, 15260, 17000, 18530, 19075, 21800, 23800, 25942, 27250, 29750, 30520, 37060, 38150, 46325, 51884, 54500, 59500, 64855, 74120, 76300, 92650, 95375, 103768, 109000, 119000, 129710, 152600, 185300, 190750, 231625, 259420, 324275, 370600, 381500, 463250, 518840, 648550, 763000, 926500, 1297100, 1621375, 1853000, 2594200, 3242750, 6485500, 12971000]

約数ペア:

[(1, 12971000), (2, 6485500), (4, 3242750), (5, 2594200), (7, 1853000), (8, 1621375), (10, 1297100), (14, 926500), (17, 763000), (20, 648550), (25, 518840), (28, 463250), (34, 381500), (35, 370600), (40, 324275), (50, 259420), (56, 231625), (68, 190750), (70, 185300), (85, 152600), (100, 129710), (109, 119000), (119, 109000), (125, 103768), (136, 95375), (140, 92650), (170, 76300), (175, 74120), (200, 64855), (218, 59500), (238, 54500), (250, 51884), (280, 46325), (340, 38150), (350, 37060), (425, 30520), (436, 29750), (476, 27250), (500, 25942), (545, 23800), (595, 21800), (680, 19075), (700, 18530), (763, 17000), (850, 15260), (872, 14875), (875, 14824), (952, 13625), (1000, 12971), (1090, 11900), (1190, 10900), (1400, 9265), (1526, 8500), (1700, 7630), (1750, 7412), (1853, 7000), (2125, 6104), (2180, 5950), (2380, 5450), (2725, 4760), (2975, 4360), (3052, 4250), (3400, 3815), (3500, 3706)]