201997540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{214891}}^1$

素因数の和:214947

約数の個数: 24

約数和(自身を含む): 433222272

約数和(自身を除く): 231224732

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 214891, 429782, 859564, 1074455, 2148910, 4297820, 10099877, 20199754, 40399508, 50499385, 100998770, 201997540]

約数ペア:

[(1, 201997540), (2, 100998770), (4, 50499385), (5, 40399508), (10, 20199754), (20, 10099877), (47, 4297820), (94, 2148910), (188, 1074455), (235, 859564), (470, 429782), (940, 214891)]