1371740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 2912112

約数和(自身を除く): 1540372

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 641, 1070, 1282, 2140, 2564, 3205, 6410, 12820, 68587, 137174, 274348, 342935, 685870, 1371740]

約数ペア:

[(1, 1371740), (2, 685870), (4, 342935), (5, 274348), (10, 137174), (20, 68587), (107, 12820), (214, 6410), (428, 3205), (535, 2564), (641, 2140), (1070, 1282)]