2221000

素因数分解:

$2^3\times 5^3\times {\mathrm{2221}}^1$

素因数の和:2242

約数の個数: 32

約数和(自身を含む): 5199480

約数和(自身を除く): 2978480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 2221, 4442, 8884, 11105, 17768, 22210, 44420, 55525, 88840, 111050, 222100, 277625, 444200, 555250, 1110500, 2221000]

約数ペア:

[(1, 2221000), (2, 1110500), (4, 555250), (5, 444200), (8, 277625), (10, 222100), (20, 111050), (25, 88840), (40, 55525), (50, 44420), (100, 22210), (125, 17768), (200, 11105), (250, 8884), (500, 4442), (1000, 2221)]