2878090

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{641}}^1$

素因数の和:1097

約数の個数: 16

約数和(自身を含む): 5200200

約数和(自身を除く): 2322110

約数列:

[1, 2, 5, 10, 449, 641, 898, 1282, 2245, 3205, 4490, 6410, 287809, 575618, 1439045, 2878090]

約数ペア:

[(1, 2878090), (2, 1439045), (5, 575618), (10, 287809), (449, 6410), (641, 4490), (898, 3205), (1282, 2245)]