2190809620

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{395453}}^1$

素因数の和:395739

約数の個数: 24

約数和(自身を含む): 4617320904

約数和(自身を除く): 2426511284

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 395453, 790906, 1581812, 1977265, 3954530, 7909060, 109540481, 219080962, 438161924, 547702405, 1095404810, 2190809620]

約数ペア:

[(1, 2190809620), (2, 1095404810), (4, 547702405), (5, 438161924), (10, 219080962), (20, 109540481), (277, 7909060), (554, 3954530), (1108, 1977265), (1385, 1581812), (2770, 790906), (5540, 395453)]