27785500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 61746048

約数和(自身を除く): 33960548

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 911, 1220, 1525, 1822, 3050, 3644, 4555, 6100, 7625, 9110, 15250, 18220, 22775, 30500, 45550, 55571, 91100, 111142, 113875, 222284, 227750, 277855, 455500, 555710, 1111420, 1389275, 2778550, 5557100, 6946375, 13892750, 27785500]

約数ペア:

[(1, 27785500), (2, 13892750), (4, 6946375), (5, 5557100), (10, 2778550), (20, 1389275), (25, 1111420), (50, 555710), (61, 455500), (100, 277855), (122, 227750), (125, 222284), (244, 113875), (250, 111142), (305, 91100), (500, 55571), (610, 45550), (911, 30500), (1220, 22775), (1525, 18220), (1822, 15250), (3050, 9110), (3644, 7625), (4555, 6100)]