2221780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10099}}^1$

素因数の和:10119

約数の個数: 24

約数和(自身を含む): 5090400

約数和(自身を除く): 2868620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 10099, 20198, 40396, 50495, 100990, 111089, 201980, 222178, 444356, 555445, 1110890, 2221780]

約数ペア:

[(1, 2221780), (2, 1110890), (4, 555445), (5, 444356), (10, 222178), (11, 201980), (20, 111089), (22, 100990), (44, 50495), (55, 40396), (110, 20198), (220, 10099)]