3122000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{223}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 8666112

約数和(自身を除く): 5544112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 223, 250, 280, 350, 400, 446, 500, 560, 700, 875, 892, 1000, 1115, 1400, 1561, 1750, 1784, 2000, 2230, 2800, 3122, 3500, 3568, 4460, 5575, 6244, 7000, 7805, 8920, 11150, 12488, 14000, 15610, 17840, 22300, 24976, 27875, 31220, 39025, 44600, 55750, 62440, 78050, 89200, 111500, 124880, 156100, 195125, 223000, 312200, 390250, 446000, 624400, 780500, 1561000, 3122000]

約数ペア:

[(1, 3122000), (2, 1561000), (4, 780500), (5, 624400), (7, 446000), (8, 390250), (10, 312200), (14, 223000), (16, 195125), (20, 156100), (25, 124880), (28, 111500), (35, 89200), (40, 78050), (50, 62440), (56, 55750), (70, 44600), (80, 39025), (100, 31220), (112, 27875), (125, 24976), (140, 22300), (175, 17840), (200, 15610), (223, 14000), (250, 12488), (280, 11150), (350, 8920), (400, 7805), (446, 7000), (500, 6244), (560, 5575), (700, 4460), (875, 3568), (892, 3500), (1000, 3122), (1115, 2800), (1400, 2230), (1561, 2000), (1750, 1784)]