938017540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{997891}}^1$

素因数の和:997947

約数の個数: 24

約数和(自身を含む): 2011750272

約数和(自身を除く): 1073732732

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 997891, 1995782, 3991564, 4989455, 9978910, 19957820, 46900877, 93801754, 187603508, 234504385, 469008770, 938017540]

約数ペア:

[(1, 938017540), (2, 469008770), (4, 234504385), (5, 187603508), (10, 93801754), (20, 46900877), (47, 19957820), (94, 9978910), (188, 4989455), (235, 3991564), (470, 1995782), (940, 997891)]