2978902280

素因数分解:

$2^3\times 5^1\times {\mathrm{74472557}}^1$

素因数の和:74472568

約数の個数: 16

約数和(自身を含む): 6702530220

約数和(自身を除く): 3723627940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 74472557, 148945114, 297890228, 372362785, 595780456, 744725570, 1489451140, 2978902280]

約数ペア:

[(1, 2978902280), (2, 1489451140), (4, 744725570), (5, 595780456), (8, 372362785), (10, 297890228), (20, 148945114), (40, 74472557)]