207580

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 444528

約数和(自身を除く): 236948

約数列:

[1, 2, 4, 5, 10, 20, 97, 107, 194, 214, 388, 428, 485, 535, 970, 1070, 1940, 2140, 10379, 20758, 41516, 51895, 103790, 207580]

約数ペア:

[(1, 207580), (2, 103790), (4, 51895), (5, 41516), (10, 20758), (20, 10379), (97, 2140), (107, 1940), (194, 1070), (214, 970), (388, 535), (428, 485)]