17603740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 49641984

約数和(自身を除く): 32038244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 71, 77, 92, 98, 110, 115, 140, 142, 154, 161, 196, 220, 230, 245, 253, 284, 308, 322, 355, 385, 460, 490, 497, 506, 539, 644, 710, 770, 781, 805, 980, 994, 1012, 1078, 1127, 1265, 1420, 1540, 1562, 1610, 1633, 1771, 1988, 2156, 2254, 2485, 2530, 2695, 3124, 3220, 3266, 3479, 3542, 3905, 4508, 4970, 5060, 5390, 5467, 5635, 6532, 6958, 7084, 7810, 8165, 8855, 9940, 10780, 10934, 11270, 11431, 12397, 13916, 15620, 16330, 17395, 17710, 17963, 21868, 22540, 22862, 24794, 27335, 32660, 34790, 35420, 35926, 38269, 45724, 49588, 54670, 57155, 61985, 69580, 71852, 76538, 80017, 89815, 109340, 114310, 123970, 125741, 153076, 160034, 179630, 191345, 228620, 247940, 251482, 320068, 359260, 382690, 400085, 502964, 628705, 765380, 800170, 880187, 1257410, 1600340, 1760374, 2514820, 3520748, 4400935, 8801870, 17603740]

約数ペア:

[(1, 17603740), (2, 8801870), (4, 4400935), (5, 3520748), (7, 2514820), (10, 1760374), (11, 1600340), (14, 1257410), (20, 880187), (22, 800170), (23, 765380), (28, 628705), (35, 502964), (44, 400085), (46, 382690), (49, 359260), (55, 320068), (70, 251482), (71, 247940), (77, 228620), (92, 191345), (98, 179630), (110, 160034), (115, 153076), (140, 125741), (142, 123970), (154, 114310), (161, 109340), (196, 89815), (220, 80017), (230, 76538), (245, 71852), (253, 69580), (284, 61985), (308, 57155), (322, 54670), (355, 49588), (385, 45724), (460, 38269), (490, 35926), (497, 35420), (506, 34790), (539, 32660), (644, 27335), (710, 24794), (770, 22862), (781, 22540), (805, 21868), (980, 17963), (994, 17710), (1012, 17395), (1078, 16330), (1127, 15620), (1265, 13916), (1420, 12397), (1540, 11431), (1562, 11270), (1610, 10934), (1633, 10780), (1771, 9940), (1988, 8855), (2156, 8165), (2254, 7810), (2485, 7084), (2530, 6958), (2695, 6532), (3124, 5635), (3220, 5467), (3266, 5390), (3479, 5060), (3542, 4970), (3905, 4508)]