278978810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{230561}}^1$

素因数の和:230590

約数の個数: 24

約数和(自身を含む): 551965428

約数和(自身を除く): 272986618

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 230561, 461122, 1152805, 2305610, 2536171, 5072342, 12680855, 25361710, 27897881, 55795762, 139489405, 278978810]

約数ペア:

[(1, 278978810), (2, 139489405), (5, 55795762), (10, 27897881), (11, 25361710), (22, 12680855), (55, 5072342), (110, 2536171), (121, 2305610), (242, 1152805), (605, 461122), (1210, 230561)]