2201800

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 5217300

約数和(自身を除く): 3015500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 109, 200, 202, 218, 404, 436, 505, 545, 808, 872, 1010, 1090, 2020, 2180, 2525, 2725, 4040, 4360, 5050, 5450, 10100, 10900, 11009, 20200, 21800, 22018, 44036, 55045, 88072, 110090, 220180, 275225, 440360, 550450, 1100900, 2201800]

約数ペア:

[(1, 2201800), (2, 1100900), (4, 550450), (5, 440360), (8, 275225), (10, 220180), (20, 110090), (25, 88072), (40, 55045), (50, 44036), (100, 22018), (101, 21800), (109, 20200), (200, 11009), (202, 10900), (218, 10100), (404, 5450), (436, 5050), (505, 4360), (545, 4040), (808, 2725), (872, 2525), (1010, 2180), (1090, 2020)]