138002980

素因数分解:

$2^2\times 5^1\times {\mathrm{6900149}}^1$

素因数の和:6900158

約数の個数: 12

約数和(自身を含む): 289806300

約数和(自身を除く): 151803320

約数列:

[1, 2, 4, 5, 10, 20, 6900149, 13800298, 27600596, 34500745, 69001490, 138002980]

約数ペア:

[(1, 138002980), (2, 69001490), (4, 34500745), (5, 27600596), (10, 13800298), (20, 6900149)]