28777000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{4111}}^1$

素因数の和:4139

約数の個数: 64

約数和(自身を含む): 76976640

約数和(自身を除く): 48199640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 4111, 7000, 8222, 16444, 20555, 28777, 32888, 41110, 57554, 82220, 102775, 115108, 143885, 164440, 205550, 230216, 287770, 411100, 513875, 575540, 719425, 822200, 1027750, 1151080, 1438850, 2055500, 2877700, 3597125, 4111000, 5755400, 7194250, 14388500, 28777000]

約数ペア:

[(1, 28777000), (2, 14388500), (4, 7194250), (5, 5755400), (7, 4111000), (8, 3597125), (10, 2877700), (14, 2055500), (20, 1438850), (25, 1151080), (28, 1027750), (35, 822200), (40, 719425), (50, 575540), (56, 513875), (70, 411100), (100, 287770), (125, 230216), (140, 205550), (175, 164440), (200, 143885), (250, 115108), (280, 102775), (350, 82220), (500, 57554), (700, 41110), (875, 32888), (1000, 28777), (1400, 20555), (1750, 16444), (3500, 8222), (4111, 7000)]