138889090

素因数分解:

$2^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{18061}}^1$

素因数の和:18837

約数の個数: 16

約数和(自身を含む): 250339320

約数和(自身を除く): 111450230

約数列:

[1, 2, 5, 10, 769, 1538, 3845, 7690, 18061, 36122, 90305, 180610, 13888909, 27777818, 69444545, 138889090]

約数ペア:

[(1, 138889090), (2, 69444545), (5, 27777818), (10, 13888909), (769, 180610), (1538, 90305), (3845, 36122), (7690, 18061)]