4888400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 90

約数和(自身を含む): 13036926

約数和(自身を除く): 8148526

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 101, 110, 121, 176, 200, 202, 220, 242, 275, 400, 404, 440, 484, 505, 550, 605, 808, 880, 968, 1010, 1100, 1111, 1210, 1616, 1936, 2020, 2200, 2222, 2420, 2525, 3025, 4040, 4400, 4444, 4840, 5050, 5555, 6050, 8080, 8888, 9680, 10100, 11110, 12100, 12221, 17776, 20200, 22220, 24200, 24442, 27775, 40400, 44440, 48400, 48884, 55550, 61105, 88880, 97768, 111100, 122210, 195536, 222200, 244420, 305525, 444400, 488840, 611050, 977680, 1222100, 2444200, 4888400]

約数ペア:

[(1, 4888400), (2, 2444200), (4, 1222100), (5, 977680), (8, 611050), (10, 488840), (11, 444400), (16, 305525), (20, 244420), (22, 222200), (25, 195536), (40, 122210), (44, 111100), (50, 97768), (55, 88880), (80, 61105), (88, 55550), (100, 48884), (101, 48400), (110, 44440), (121, 40400), (176, 27775), (200, 24442), (202, 24200), (220, 22220), (242, 20200), (275, 17776), (400, 12221), (404, 12100), (440, 11110), (484, 10100), (505, 9680), (550, 8888), (605, 8080), (808, 6050), (880, 5555), (968, 5050), (1010, 4840), (1100, 4444), (1111, 4400), (1210, 4040), (1616, 3025), (1936, 2525), (2020, 2420), (2200, 2222)]