2920345

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 3890304

約数和(自身を除く): 969959

約数列:

[1, 5, 17, 43, 47, 85, 215, 235, 289, 731, 799, 1445, 2021, 3655, 3995, 10105, 12427, 13583, 34357, 62135, 67915, 171785, 584069, 2920345]

約数ペア:

[(1, 2920345), (5, 584069), (17, 171785), (43, 67915), (47, 62135), (85, 34357), (215, 13583), (235, 12427), (289, 10105), (731, 3995), (799, 3655), (1445, 2021)]