28470860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1019}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 65802240

約数和(自身を除く): 37331380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 1019, 1270, 1397, 2038, 2540, 2794, 4076, 5095, 5588, 6985, 10190, 11209, 13970, 20380, 22418, 27940, 44836, 56045, 112090, 129413, 224180, 258826, 517652, 647065, 1294130, 1423543, 2588260, 2847086, 5694172, 7117715, 14235430, 28470860]

約数ペア:

[(1, 28470860), (2, 14235430), (4, 7117715), (5, 5694172), (10, 2847086), (11, 2588260), (20, 1423543), (22, 1294130), (44, 647065), (55, 517652), (110, 258826), (127, 224180), (220, 129413), (254, 112090), (508, 56045), (635, 44836), (1019, 27940), (1270, 22418), (1397, 20380), (2038, 13970), (2540, 11209), (2794, 10190), (4076, 6985), (5095, 5588)]