999970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:322

約数の個数: 24

約数和(自身を含む): 1906524

約数和(自身を除く): 906554

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 277, 361, 554, 722, 1385, 1805, 2770, 3610, 5263, 10526, 26315, 52630, 99997, 199994, 499985, 999970]

約数ペア:

[(1, 999970), (2, 499985), (5, 199994), (10, 99997), (19, 52630), (38, 26315), (95, 10526), (190, 5263), (277, 3610), (361, 2770), (554, 1805), (722, 1385)]