28383340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 63393120

約数和(自身を除く): 35009780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 452, 565, 661, 1130, 1322, 2147, 2260, 2644, 3305, 4294, 6610, 8588, 10735, 12559, 13220, 21470, 25118, 42940, 50236, 62795, 74693, 125590, 149386, 251180, 298772, 373465, 746930, 1419167, 1493860, 2838334, 5676668, 7095835, 14191670, 28383340]

約数ペア:

[(1, 28383340), (2, 14191670), (4, 7095835), (5, 5676668), (10, 2838334), (19, 1493860), (20, 1419167), (38, 746930), (76, 373465), (95, 298772), (113, 251180), (190, 149386), (226, 125590), (380, 74693), (452, 62795), (565, 50236), (661, 42940), (1130, 25118), (1322, 21470), (2147, 13220), (2260, 12559), (2644, 10735), (3305, 8588), (4294, 6610)]