19852803740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{80071}}^1$

素因数の和:80128

約数の個数: 144

約数和(自身を含む): 55207401984

約数和(自身を除く): 35354598244

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, 230, 245, 253, 308, 322, 385, 460, 490, 506, 539, 644, 770, 805, 980, 1012, 1078, 1127, 1265, 1540, 1610, 1771, 2156, 2254, 2530, 2695, 3220, 3542, 4508, 5060, 5390, 5635, 7084, 8855, 10780, 11270, 12397, 17710, 22540, 24794, 35420, 49588, 61985, 80071, 123970, 160142, 247940, 320284, 400355, 560497, 800710, 880781, 1120994, 1601420, 1761562, 1841633, 2241988, 2802485, 3523124, 3683266, 3923479, 4403905, 5604970, 6165467, 7366532, 7846958, 8807810, 9208165, 11209940, 12330934, 12891431, 15693916, 17615620, 18416330, 19617395, 20257963, 24661868, 25782862, 30827335, 36832660, 39234790, 40515926, 43158269, 51565724, 61654670, 64457155, 78469580, 81031852, 86316538, 90240017, 101289815, 123309340, 128914310, 141805741, 172633076, 180480034, 202579630, 215791345, 257828620, 283611482, 360960068, 405159260, 431582690, 451200085, 567222964, 709028705, 863165380, 902400170, 992640187, 1418057410, 1804800340, 1985280374, 2836114820, 3970560748, 4963200935, 9926401870, 19852803740]

約数ペア:

[(1, 19852803740), (2, 9926401870), (4, 4963200935), (5, 3970560748), (7, 2836114820), (10, 1985280374), (11, 1804800340), (14, 1418057410), (20, 992640187), (22, 902400170), (23, 863165380), (28, 709028705), (35, 567222964), (44, 451200085), (46, 431582690), (49, 405159260), (55, 360960068), (70, 283611482), (77, 257828620), (92, 215791345), (98, 202579630), (110, 180480034), (115, 172633076), (140, 141805741), (154, 128914310), (161, 123309340), (196, 101289815), (220, 90240017), (230, 86316538), (245, 81031852), (253, 78469580), (308, 64457155), (322, 61654670), (385, 51565724), (460, 43158269), (490, 40515926), (506, 39234790), (539, 36832660), (644, 30827335), (770, 25782862), (805, 24661868), (980, 20257963), (1012, 19617395), (1078, 18416330), (1127, 17615620), (1265, 15693916), (1540, 12891431), (1610, 12330934), (1771, 11209940), (2156, 9208165), (2254, 8807810), (2530, 7846958), (2695, 7366532), (3220, 6165467), (3542, 5604970), (4508, 4403905), (5060, 3923479), (5390, 3683266), (5635, 3523124), (7084, 2802485), (8855, 2241988), (10780, 1841633), (11270, 1761562), (12397, 1601420), (17710, 1120994), (22540, 880781), (24794, 800710), (35420, 560497), (49588, 400355), (61985, 320284), (80071, 247940), (123970, 160142)]