2105536180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{14479}}^1$

素因数の和:15160

約数の個数: 48

約数和(自身を含む): 4831223040

約数和(自身を除く): 2725686860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 661, 1322, 2644, 3305, 6610, 7271, 13220, 14479, 14542, 28958, 29084, 36355, 57916, 72395, 72710, 144790, 145420, 159269, 289580, 318538, 637076, 796345, 1592690, 3185380, 9570619, 19141238, 38282476, 47853095, 95706190, 105276809, 191412380, 210553618, 421107236, 526384045, 1052768090, 2105536180]

約数ペア:

[(1, 2105536180), (2, 1052768090), (4, 526384045), (5, 421107236), (10, 210553618), (11, 191412380), (20, 105276809), (22, 95706190), (44, 47853095), (55, 38282476), (110, 19141238), (220, 9570619), (661, 3185380), (1322, 1592690), (2644, 796345), (3305, 637076), (6610, 318538), (7271, 289580), (13220, 159269), (14479, 145420), (14542, 144790), (28958, 72710), (29084, 72395), (36355, 57916)]