2590385

素因数分解:

$5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 3686760

約数和(自身を除く): 1096375

約数列:

[1, 5, 7, 35, 49, 97, 109, 245, 485, 545, 679, 763, 3395, 3815, 4753, 5341, 10573, 23765, 26705, 52865, 74011, 370055, 518077, 2590385]

約数ペア:

[(1, 2590385), (5, 518077), (7, 370055), (35, 74011), (49, 52865), (97, 26705), (109, 23765), (245, 10573), (485, 5341), (545, 4753), (679, 3815), (763, 3395)]