728049461780

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{82921351}}^1$

素因数の和:82921799

約数の個数: 24

約数和(自身を含む): 1532386584960

約数和(自身を除く): 804337123180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 82921351, 165842702, 331685404, 414606755, 829213510, 1658427020, 36402473089, 72804946178, 145609892356, 182012365445, 364024730890, 728049461780]

約数ペア:

[(1, 728049461780), (2, 364024730890), (4, 182012365445), (5, 145609892356), (10, 72804946178), (20, 36402473089), (439, 1658427020), (878, 829213510), (1756, 414606755), (2195, 331685404), (4390, 165842702), (8780, 82921351)]