4270000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{61}}^1$

素因数の和:96

約数の個数: 100

約数和(自身を含む): 12008656

約数和(自身を除く): 7738656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 61, 70, 80, 100, 112, 122, 125, 140, 175, 200, 244, 250, 280, 305, 350, 400, 427, 488, 500, 560, 610, 625, 700, 854, 875, 976, 1000, 1220, 1250, 1400, 1525, 1708, 1750, 2000, 2135, 2440, 2500, 2800, 3050, 3416, 3500, 4270, 4375, 4880, 5000, 6100, 6832, 7000, 7625, 8540, 8750, 10000, 10675, 12200, 14000, 15250, 17080, 17500, 21350, 24400, 30500, 34160, 35000, 38125, 42700, 53375, 61000, 70000, 76250, 85400, 106750, 122000, 152500, 170800, 213500, 266875, 305000, 427000, 533750, 610000, 854000, 1067500, 2135000, 4270000]

約数ペア:

[(1, 4270000), (2, 2135000), (4, 1067500), (5, 854000), (7, 610000), (8, 533750), (10, 427000), (14, 305000), (16, 266875), (20, 213500), (25, 170800), (28, 152500), (35, 122000), (40, 106750), (50, 85400), (56, 76250), (61, 70000), (70, 61000), (80, 53375), (100, 42700), (112, 38125), (122, 35000), (125, 34160), (140, 30500), (175, 24400), (200, 21350), (244, 17500), (250, 17080), (280, 15250), (305, 14000), (350, 12200), (400, 10675), (427, 10000), (488, 8750), (500, 8540), (560, 7625), (610, 7000), (625, 6832), (700, 6100), (854, 5000), (875, 4880), (976, 4375), (1000, 4270), (1220, 3500), (1250, 3416), (1400, 3050), (1525, 2800), (1708, 2500), (1750, 2440), (2000, 2135)]