2122775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 2864400

約数和(自身を除く): 741625

約数列:

[1, 5, 19, 25, 41, 95, 109, 205, 475, 545, 779, 1025, 2071, 2725, 3895, 4469, 10355, 19475, 22345, 51775, 84911, 111725, 424555, 2122775]

約数ペア:

[(1, 2122775), (5, 424555), (19, 111725), (25, 84911), (41, 51775), (95, 22345), (109, 19475), (205, 10355), (475, 4469), (545, 3895), (779, 2725), (1025, 2071)]