199540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 457632

約数和(自身を除く): 258092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 907, 1814, 3628, 4535, 9070, 9977, 18140, 19954, 39908, 49885, 99770, 199540]

約数ペア:

[(1, 199540), (2, 99770), (4, 49885), (5, 39908), (10, 19954), (11, 18140), (20, 9977), (22, 9070), (44, 4535), (55, 3628), (110, 1814), (220, 907)]