278322820

素因数分解:

$2^2\times 5^1\times {\mathrm{2441}}^1\times {\mathrm{5701}}^1$

素因数の和:8151

約数の個数: 24

約数和(自身を含む): 584819928

約数和(自身を除く): 306497108

約数列:

[1, 2, 4, 5, 10, 20, 2441, 4882, 5701, 9764, 11402, 12205, 22804, 24410, 28505, 48820, 57010, 114020, 13916141, 27832282, 55664564, 69580705, 139161410, 278322820]

約数ペア:

[(1, 278322820), (2, 139161410), (4, 69580705), (5, 55664564), (10, 27832282), (20, 13916141), (2441, 114020), (4882, 57010), (5701, 48820), (9764, 28505), (11402, 24410), (12205, 22804)]