2849780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1601}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 6055560

約数和(自身を除く): 3205780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1601, 1780, 3202, 6404, 8005, 16010, 32020, 142489, 284978, 569956, 712445, 1424890, 2849780]

約数ペア:

[(1, 2849780), (2, 1424890), (4, 712445), (5, 569956), (10, 284978), (20, 142489), (89, 32020), (178, 16010), (356, 8005), (445, 6404), (890, 3202), (1601, 1780)]