255310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1$

素因数の和:240

約数の個数: 24

約数和(自身を含む): 507528

約数和(自身を除く): 252218

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 211, 242, 422, 605, 1055, 1210, 2110, 2321, 4642, 11605, 23210, 25531, 51062, 127655, 255310]

約数ペア:

[(1, 255310), (2, 127655), (5, 51062), (10, 25531), (11, 23210), (22, 11605), (55, 4642), (110, 2321), (121, 2110), (211, 1210), (242, 1055), (422, 605)]