2730340

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 5769792

約数和(自身を除く): 3039452

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 647, 844, 1055, 1294, 2110, 2588, 3235, 4220, 6470, 12940, 136517, 273034, 546068, 682585, 1365170, 2730340]

約数ペア:

[(1, 2730340), (2, 1365170), (4, 682585), (5, 546068), (10, 273034), (20, 136517), (211, 12940), (422, 6470), (647, 4220), (844, 3235), (1055, 2588), (1294, 2110)]