27175540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{499}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 65520000

約数和(自身を除く): 38344460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 499, 778, 998, 1556, 1945, 1996, 2495, 2723, 3493, 3890, 4990, 5446, 6986, 7780, 9980, 10892, 13615, 13972, 17465, 27230, 34930, 54460, 69860, 194111, 388222, 776444, 970555, 1358777, 1941110, 2717554, 3882220, 5435108, 6793885, 13587770, 27175540]

約数ペア:

[(1, 27175540), (2, 13587770), (4, 6793885), (5, 5435108), (7, 3882220), (10, 2717554), (14, 1941110), (20, 1358777), (28, 970555), (35, 776444), (70, 388222), (140, 194111), (389, 69860), (499, 54460), (778, 34930), (998, 27230), (1556, 17465), (1945, 13972), (1996, 13615), (2495, 10892), (2723, 9980), (3493, 7780), (3890, 6986), (4990, 5446)]