28477580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74941}}^1$

素因数の和:74969

約数の個数: 24

約数和(自身を含む): 62951280

約数和(自身を除く): 34473700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74941, 149882, 299764, 374705, 749410, 1423879, 1498820, 2847758, 5695516, 7119395, 14238790, 28477580]

約数ペア:

[(1, 28477580), (2, 14238790), (4, 7119395), (5, 5695516), (10, 2847758), (19, 1498820), (20, 1423879), (38, 749410), (76, 374705), (95, 299764), (190, 149882), (380, 74941)]