139043620

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{38839}}^1$

素因数の和:39027

約数の個数: 24

約数和(自身を含む): 293630400

約数和(自身を除く): 154586780

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 38839, 77678, 155356, 194195, 388390, 776780, 6952181, 13904362, 27808724, 34760905, 69521810, 139043620]

約数ペア:

[(1, 139043620), (2, 69521810), (4, 34760905), (5, 27808724), (10, 13904362), (20, 6952181), (179, 776780), (358, 388390), (716, 194195), (895, 155356), (1790, 77678), (3580, 38839)]