420214940

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{99577}}^1$

素因数の和:99797

約数の個数: 24

約数和(自身を含む): 886642512

約数和(自身を除く): 466427572

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 99577, 199154, 398308, 497885, 995770, 1991540, 21010747, 42021494, 84042988, 105053735, 210107470, 420214940]

約数ペア:

[(1, 420214940), (2, 210107470), (4, 105053735), (5, 84042988), (10, 42021494), (20, 21010747), (211, 1991540), (422, 995770), (844, 497885), (1055, 398308), (2110, 199154), (4220, 99577)]