2869367090

素因数分解:

$2^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{144407}}^1$

素因数の和:146401

約数の個数: 16

約数和(自身を含む): 5167495872

約数和(自身を除く): 2298128782

約数列:

[1, 2, 5, 10, 1987, 3974, 9935, 19870, 144407, 288814, 722035, 1444070, 286936709, 573873418, 1434683545, 2869367090]

約数ペア:

[(1, 2869367090), (2, 1434683545), (5, 573873418), (10, 286936709), (1987, 1444070), (3974, 722035), (9935, 288814), (19870, 144407)]