55290620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 154441728

約数和(自身を除く): 99151108

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 77, 92, 98, 110, 115, 140, 154, 161, 196, 220, 223, 230, 245, 253, 308, 322, 385, 446, 460, 490, 506, 539, 644, 770, 805, 892, 980, 1012, 1078, 1115, 1127, 1265, 1540, 1561, 1610, 1771, 2156, 2230, 2254, 2453, 2530, 2695, 3122, 3220, 3542, 4460, 4508, 4906, 5060, 5129, 5390, 5635, 6244, 7084, 7805, 8855, 9812, 10258, 10780, 10927, 11270, 12265, 12397, 15610, 17171, 17710, 20516, 21854, 22540, 24530, 24794, 25645, 31220, 34342, 35420, 35903, 43708, 49060, 49588, 51290, 54635, 56419, 61985, 68684, 71806, 85855, 102580, 109270, 112838, 120197, 123970, 143612, 171710, 179515, 218540, 225676, 240394, 247940, 251321, 282095, 343420, 359030, 394933, 480788, 502642, 564190, 600985, 718060, 789866, 1005284, 1128380, 1201970, 1256605, 1579732, 1974665, 2403940, 2513210, 2764531, 3949330, 5026420, 5529062, 7898660, 11058124, 13822655, 27645310, 55290620]

約数ペア:

[(1, 55290620), (2, 27645310), (4, 13822655), (5, 11058124), (7, 7898660), (10, 5529062), (11, 5026420), (14, 3949330), (20, 2764531), (22, 2513210), (23, 2403940), (28, 1974665), (35, 1579732), (44, 1256605), (46, 1201970), (49, 1128380), (55, 1005284), (70, 789866), (77, 718060), (92, 600985), (98, 564190), (110, 502642), (115, 480788), (140, 394933), (154, 359030), (161, 343420), (196, 282095), (220, 251321), (223, 247940), (230, 240394), (245, 225676), (253, 218540), (308, 179515), (322, 171710), (385, 143612), (446, 123970), (460, 120197), (490, 112838), (506, 109270), (539, 102580), (644, 85855), (770, 71806), (805, 68684), (892, 61985), (980, 56419), (1012, 54635), (1078, 51290), (1115, 49588), (1127, 49060), (1265, 43708), (1540, 35903), (1561, 35420), (1610, 34342), (1771, 31220), (2156, 25645), (2230, 24794), (2254, 24530), (2453, 22540), (2530, 21854), (2695, 20516), (3122, 17710), (3220, 17171), (3542, 15610), (4460, 12397), (4508, 12265), (4906, 11270), (5060, 10927), (5129, 10780), (5390, 10258), (5635, 9812), (6244, 8855), (7084, 7805)]