7521380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3877}}^1$

素因数の和:3983

約数の個数: 24

約数和(自身を含む): 15961848

約数和(自身を除く): 8440468

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 3877, 7754, 15508, 19385, 38770, 77540, 376069, 752138, 1504276, 1880345, 3760690, 7521380]

約数ペア:

[(1, 7521380), (2, 3760690), (4, 1880345), (5, 1504276), (10, 752138), (20, 376069), (97, 77540), (194, 38770), (388, 19385), (485, 15508), (970, 7754), (1940, 3877)]