4167220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1499}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 8820000

約数和(自身を除く): 4652780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1499, 2780, 2998, 5996, 7495, 14990, 29980, 208361, 416722, 833444, 1041805, 2083610, 4167220]

約数ペア:

[(1, 4167220), (2, 2083610), (4, 1041805), (5, 833444), (10, 416722), (20, 208361), (139, 29980), (278, 14990), (556, 7495), (695, 5996), (1390, 2998), (1499, 2780)]