84907580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223441}}^1$

素因数の和:223469

約数の個数: 24

約数和(自身を含む): 187691280

約数和(自身を除く): 102783700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 223441, 446882, 893764, 1117205, 2234410, 4245379, 4468820, 8490758, 16981516, 21226895, 42453790, 84907580]

約数ペア:

[(1, 84907580), (2, 42453790), (4, 21226895), (5, 16981516), (10, 8490758), (19, 4468820), (20, 4245379), (38, 2234410), (76, 1117205), (95, 893764), (190, 446882), (380, 223441)]