219090910

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{52289}}^1$

素因数の和:52715

約数の個数: 16

約数和(自身を含む): 395312400

約数和(自身を除く): 176221490

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 52289, 104578, 261445, 522890, 21909091, 43818182, 109545455, 219090910]

約数ペア:

[(1, 219090910), (2, 109545455), (5, 43818182), (10, 21909091), (419, 522890), (838, 261445), (2095, 104578), (4190, 52289)]