9910120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 24675840

約数和(自身を除く): 14765720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 223, 404, 440, 446, 505, 808, 892, 1010, 1111, 1115, 1784, 2020, 2222, 2230, 2453, 4040, 4444, 4460, 4906, 5555, 8888, 8920, 9812, 11110, 12265, 19624, 22220, 22523, 24530, 44440, 45046, 49060, 90092, 98120, 112615, 180184, 225230, 247753, 450460, 495506, 900920, 991012, 1238765, 1982024, 2477530, 4955060, 9910120]

約数ペア:

[(1, 9910120), (2, 4955060), (4, 2477530), (5, 1982024), (8, 1238765), (10, 991012), (11, 900920), (20, 495506), (22, 450460), (40, 247753), (44, 225230), (55, 180184), (88, 112615), (101, 98120), (110, 90092), (202, 49060), (220, 45046), (223, 44440), (404, 24530), (440, 22523), (446, 22220), (505, 19624), (808, 12265), (892, 11110), (1010, 9812), (1111, 8920), (1115, 8888), (1784, 5555), (2020, 4906), (2222, 4460), (2230, 4444), (2453, 4040)]