218970610

素因数分解:

$2^1\times 5^1\times {\mathrm{839}}^1\times {\mathrm{26099}}^1$

素因数の和:26945

約数の個数: 16

約数和(自身を含む): 394632000

約数和(自身を除く): 175661390

約数列:

[1, 2, 5, 10, 839, 1678, 4195, 8390, 26099, 52198, 130495, 260990, 21897061, 43794122, 109485305, 218970610]

約数ペア:

[(1, 218970610), (2, 109485305), (5, 43794122), (10, 21897061), (839, 260990), (1678, 130495), (4195, 52198), (8390, 26099)]