205168480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2711}}^1$

素因数の和:2780

約数の個数: 96

約数和(自身を含む): 541271808

約数和(自身を除く): 336103328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 160, 172, 176, 215, 220, 344, 352, 430, 440, 473, 688, 860, 880, 946, 1376, 1720, 1760, 1892, 2365, 2711, 3440, 3784, 4730, 5422, 6880, 7568, 9460, 10844, 13555, 15136, 18920, 21688, 27110, 29821, 37840, 43376, 54220, 59642, 75680, 86752, 108440, 116573, 119284, 149105, 216880, 233146, 238568, 298210, 433760, 466292, 477136, 582865, 596420, 932584, 954272, 1165730, 1192840, 1282303, 1865168, 2331460, 2385680, 2564606, 3730336, 4662920, 4771360, 5129212, 6411515, 9325840, 10258424, 12823030, 18651680, 20516848, 25646060, 41033696, 51292120, 102584240, 205168480]

約数ペア:

[(1, 205168480), (2, 102584240), (4, 51292120), (5, 41033696), (8, 25646060), (10, 20516848), (11, 18651680), (16, 12823030), (20, 10258424), (22, 9325840), (32, 6411515), (40, 5129212), (43, 4771360), (44, 4662920), (55, 3730336), (80, 2564606), (86, 2385680), (88, 2331460), (110, 1865168), (160, 1282303), (172, 1192840), (176, 1165730), (215, 954272), (220, 932584), (344, 596420), (352, 582865), (430, 477136), (440, 466292), (473, 433760), (688, 298210), (860, 238568), (880, 233146), (946, 216880), (1376, 149105), (1720, 119284), (1760, 116573), (1892, 108440), (2365, 86752), (2711, 75680), (3440, 59642), (3784, 54220), (4730, 43376), (5422, 37840), (6880, 29821), (7568, 27110), (9460, 21688), (10844, 18920), (13555, 15136)]