2123725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 2946240

約数和(自身を除く): 822515

約数列:

[1, 5, 17, 19, 25, 85, 95, 263, 323, 425, 475, 1315, 1615, 4471, 4997, 6575, 8075, 22355, 24985, 84949, 111775, 124925, 424745, 2123725]

約数ペア:

[(1, 2123725), (5, 424745), (17, 124925), (19, 111775), (25, 84949), (85, 24985), (95, 22355), (263, 8075), (323, 6575), (425, 4997), (475, 4471), (1315, 1615)]