191172220

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{21577}}^1$

素因数の和:22029

約数の個数: 24

約数和(自身を含む): 402386544

約数和(自身を除く): 211214324

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 21577, 43154, 86308, 107885, 215770, 431540, 9558611, 19117222, 38234444, 47793055, 95586110, 191172220]

約数ペア:

[(1, 191172220), (2, 95586110), (4, 47793055), (5, 38234444), (10, 19117222), (20, 9558611), (443, 431540), (886, 215770), (1772, 107885), (2215, 86308), (4430, 43154), (8860, 21577)]