54972820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{392663}}^1$

素因数の和:392679

約数の個数: 24

約数和(自身を含む): 131935104

約数和(自身を除く): 76962284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 392663, 785326, 1570652, 1963315, 2748641, 3926630, 5497282, 7853260, 10994564, 13743205, 27486410, 54972820]

約数ペア:

[(1, 54972820), (2, 27486410), (4, 13743205), (5, 10994564), (7, 7853260), (10, 5497282), (14, 3926630), (20, 2748641), (28, 1963315), (35, 1570652), (70, 785326), (140, 392663)]