68555990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{360821}}^1$

素因数の和:360847

約数の個数: 16

約数和(自身を含む): 129895920

約数和(自身を除く): 61339930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 360821, 721642, 1804105, 3608210, 6855599, 13711198, 34277995, 68555990]

約数ペア:

[(1, 68555990), (2, 34277995), (5, 13711198), (10, 6855599), (19, 3608210), (38, 1804105), (95, 721642), (190, 360821)]