488840

素因数分解:

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

素因数の和:134

約数の個数: 48

約数和(自身を含む): 1220940

約数和(自身を除く): 732100

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 121, 202, 220, 242, 404, 440, 484, 505, 605, 808, 968, 1010, 1111, 1210, 2020, 2222, 2420, 4040, 4444, 4840, 5555, 8888, 11110, 12221, 22220, 24442, 44440, 48884, 61105, 97768, 122210, 244420, 488840]

約数ペア:

[(1, 488840), (2, 244420), (4, 122210), (5, 97768), (8, 61105), (10, 48884), (11, 44440), (20, 24442), (22, 22220), (40, 12221), (44, 11110), (55, 8888), (88, 5555), (101, 4840), (110, 4444), (121, 4040), (202, 2420), (220, 2222), (242, 2020), (404, 1210), (440, 1111), (484, 1010), (505, 968), (605, 808)]