28303220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1013}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 65415168

約数和(自身を除く): 37111948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 1013, 1270, 1397, 2026, 2540, 2794, 4052, 5065, 5588, 6985, 10130, 11143, 13970, 20260, 22286, 27940, 44572, 55715, 111430, 128651, 222860, 257302, 514604, 643255, 1286510, 1415161, 2573020, 2830322, 5660644, 7075805, 14151610, 28303220]

約数ペア:

[(1, 28303220), (2, 14151610), (4, 7075805), (5, 5660644), (10, 2830322), (11, 2573020), (20, 1415161), (22, 1286510), (44, 643255), (55, 514604), (110, 257302), (127, 222860), (220, 128651), (254, 111430), (508, 55715), (635, 44572), (1013, 27940), (1270, 22286), (1397, 20260), (2026, 13970), (2540, 11143), (2794, 10130), (4052, 6985), (5065, 5588)]