220780372

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{3643}}^1$

素因数の和:3895

約数の個数: 24

約数和(自身を含む): 392823200

約数和(自身を除く): 172042828

約数列:

[1, 2, 4, 109, 139, 218, 278, 436, 556, 3643, 7286, 14572, 15151, 30302, 60604, 397087, 506377, 794174, 1012754, 1588348, 2025508, 55195093, 110390186, 220780372]

約数ペア:

[(1, 220780372), (2, 110390186), (4, 55195093), (109, 2025508), (139, 1588348), (218, 1012754), (278, 794174), (436, 506377), (556, 397087), (3643, 60604), (7286, 30302), (14572, 15151)]