222200

素因数分解:

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

素因数の和:128

約数の個数: 48

約数和(自身を含む): 569160

約数和(自身を除く): 346960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 101, 110, 200, 202, 220, 275, 404, 440, 505, 550, 808, 1010, 1100, 1111, 2020, 2200, 2222, 2525, 4040, 4444, 5050, 5555, 8888, 10100, 11110, 20200, 22220, 27775, 44440, 55550, 111100, 222200]

約数ペア:

[(1, 222200), (2, 111100), (4, 55550), (5, 44440), (8, 27775), (10, 22220), (11, 20200), (20, 11110), (22, 10100), (25, 8888), (40, 5555), (44, 5050), (50, 4444), (55, 4040), (88, 2525), (100, 2222), (101, 2200), (110, 2020), (200, 1111), (202, 1100), (220, 1010), (275, 808), (404, 550), (440, 505)]