890605540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:218

約数の個数: 192

約数和(自身を含む): 2250436608

約数和(自身を除く): 1359831068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 37, 44, 46, 55, 67, 71, 74, 92, 110, 115, 134, 142, 148, 185, 220, 230, 253, 268, 284, 335, 355, 370, 407, 460, 506, 670, 710, 737, 740, 781, 814, 851, 1012, 1265, 1340, 1420, 1474, 1541, 1562, 1628, 1633, 1702, 2035, 2479, 2530, 2627, 2948, 3082, 3124, 3266, 3404, 3685, 3905, 4070, 4255, 4757, 4958, 5060, 5254, 6164, 6532, 7370, 7705, 7810, 8140, 8165, 8510, 9361, 9514, 9916, 10508, 12395, 13135, 14740, 15410, 15620, 16330, 16951, 17020, 17963, 18722, 19028, 23785, 24790, 26270, 27269, 28897, 30820, 32660, 33902, 35926, 37444, 46805, 47570, 49580, 52327, 52540, 54538, 57017, 57794, 60421, 67804, 71852, 84755, 89815, 93610, 95140, 104654, 109076, 109411, 114034, 115588, 120842, 136345, 144485, 169510, 176009, 179630, 187220, 209308, 218822, 228068, 241684, 261635, 272690, 285085, 288970, 302105, 339020, 352018, 359260, 437644, 523270, 545380, 547055, 570170, 577940, 604210, 627187, 664631, 704036, 880045, 1046540, 1094110, 1140340, 1203521, 1208420, 1254374, 1329262, 1760090, 1936099, 2188220, 2407042, 2508748, 2658524, 3135935, 3323155, 3520180, 3872198, 4048207, 4814084, 6017605, 6271870, 6646310, 7744396, 8096414, 9680495, 12035210, 12543740, 13292620, 16192828, 19360990, 20241035, 24070420, 38721980, 40482070, 44530277, 80964140, 89060554, 178121108, 222651385, 445302770, 890605540]

約数ペア:

[(1, 890605540), (2, 445302770), (4, 222651385), (5, 178121108), (10, 89060554), (11, 80964140), (20, 44530277), (22, 40482070), (23, 38721980), (37, 24070420), (44, 20241035), (46, 19360990), (55, 16192828), (67, 13292620), (71, 12543740), (74, 12035210), (92, 9680495), (110, 8096414), (115, 7744396), (134, 6646310), (142, 6271870), (148, 6017605), (185, 4814084), (220, 4048207), (230, 3872198), (253, 3520180), (268, 3323155), (284, 3135935), (335, 2658524), (355, 2508748), (370, 2407042), (407, 2188220), (460, 1936099), (506, 1760090), (670, 1329262), (710, 1254374), (737, 1208420), (740, 1203521), (781, 1140340), (814, 1094110), (851, 1046540), (1012, 880045), (1265, 704036), (1340, 664631), (1420, 627187), (1474, 604210), (1541, 577940), (1562, 570170), (1628, 547055), (1633, 545380), (1702, 523270), (2035, 437644), (2479, 359260), (2530, 352018), (2627, 339020), (2948, 302105), (3082, 288970), (3124, 285085), (3266, 272690), (3404, 261635), (3685, 241684), (3905, 228068), (4070, 218822), (4255, 209308), (4757, 187220), (4958, 179630), (5060, 176009), (5254, 169510), (6164, 144485), (6532, 136345), (7370, 120842), (7705, 115588), (7810, 114034), (8140, 109411), (8165, 109076), (8510, 104654), (9361, 95140), (9514, 93610), (9916, 89815), (10508, 84755), (12395, 71852), (13135, 67804), (14740, 60421), (15410, 57794), (15620, 57017), (16330, 54538), (16951, 52540), (17020, 52327), (17963, 49580), (18722, 47570), (19028, 46805), (23785, 37444), (24790, 35926), (26270, 33902), (27269, 32660), (28897, 30820)]