4389620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1579}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 9290400

約数和(自身を除く): 4900780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1579, 2780, 3158, 6316, 7895, 15790, 31580, 219481, 438962, 877924, 1097405, 2194810, 4389620]

約数ペア:

[(1, 4389620), (2, 2194810), (4, 1097405), (5, 877924), (10, 438962), (20, 219481), (139, 31580), (278, 15790), (556, 7895), (695, 6316), (1390, 3158), (1579, 2780)]