2149251310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 4138908480

約数和(自身を除く): 1989657170

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 277, 421, 485, 554, 842, 970, 1385, 1843, 2105, 2770, 3686, 4210, 5263, 7999, 9215, 10526, 15998, 18430, 26315, 26869, 39995, 40837, 52630, 53738, 79990, 81674, 116617, 134345, 204185, 233234, 268690, 408370, 510511, 583085, 775903, 1021022, 1166170, 1551806, 2215723, 2552555, 3879515, 4431446, 5105110, 7759030, 11078615, 11311849, 22157230, 22623698, 56559245, 113118490, 214925131, 429850262, 1074625655, 2149251310]

約数ペア:

[(1, 2149251310), (2, 1074625655), (5, 429850262), (10, 214925131), (19, 113118490), (38, 56559245), (95, 22623698), (97, 22157230), (190, 11311849), (194, 11078615), (277, 7759030), (421, 5105110), (485, 4431446), (554, 3879515), (842, 2552555), (970, 2215723), (1385, 1551806), (1843, 1166170), (2105, 1021022), (2770, 775903), (3686, 583085), (4210, 510511), (5263, 408370), (7999, 268690), (9215, 233234), (10526, 204185), (15998, 134345), (18430, 116617), (26315, 81674), (26869, 79990), (39995, 53738), (40837, 52630)]