28279030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^2$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 58247280

約数和(自身を除く): 29968250

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 107, 130, 190, 214, 247, 494, 535, 1070, 1235, 1391, 2033, 2470, 2782, 4066, 6955, 10165, 11449, 13910, 20330, 22898, 26429, 52858, 57245, 114490, 132145, 148837, 217531, 264290, 297674, 435062, 744185, 1087655, 1488370, 2175310, 2827903, 5655806, 14139515, 28279030]

約数ペア:

[(1, 28279030), (2, 14139515), (5, 5655806), (10, 2827903), (13, 2175310), (19, 1488370), (26, 1087655), (38, 744185), (65, 435062), (95, 297674), (107, 264290), (130, 217531), (190, 148837), (214, 132145), (247, 114490), (494, 57245), (535, 52858), (1070, 26429), (1235, 22898), (1391, 20330), (2033, 13910), (2470, 11449), (2782, 10165), (4066, 6955)]