2244220

素因数分解:

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

素因数の和:222

約数の個数: 36

約数和(自身を含む): 5192712

約数和(自身を除く): 2948492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 10201, 11110, 20402, 22220, 40804, 51005, 102010, 112211, 204020, 224422, 448844, 561055, 1122110, 2244220]

約数ペア:

[(1, 2244220), (2, 1122110), (4, 561055), (5, 448844), (10, 224422), (11, 204020), (20, 112211), (22, 102010), (44, 51005), (55, 40804), (101, 22220), (110, 20402), (202, 11110), (220, 10201), (404, 5555), (505, 4444), (1010, 2222), (1111, 2020)]