686014780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1315

約数の個数: 96

約数和(自身を含む): 1638185472

約数和(自身を除く): 952170692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 71, 74, 110, 142, 148, 185, 220, 284, 355, 370, 407, 710, 740, 781, 814, 1187, 1420, 1562, 1628, 2035, 2374, 2627, 3124, 3905, 4070, 4748, 5254, 5935, 7810, 8140, 10508, 11870, 13057, 13135, 15620, 23740, 26114, 26270, 28897, 43919, 52228, 52540, 57794, 65285, 84277, 87838, 115588, 130570, 144485, 168554, 175676, 219595, 261140, 288970, 337108, 421385, 439190, 483109, 577940, 842770, 878380, 927047, 966218, 1685540, 1854094, 1932436, 2415545, 3118249, 3708188, 4635235, 4831090, 6236498, 9270470, 9662180, 12472996, 15591245, 18540940, 31182490, 34300739, 62364980, 68601478, 137202956, 171503695, 343007390, 686014780]

約数ペア:

[(1, 686014780), (2, 343007390), (4, 171503695), (5, 137202956), (10, 68601478), (11, 62364980), (20, 34300739), (22, 31182490), (37, 18540940), (44, 15591245), (55, 12472996), (71, 9662180), (74, 9270470), (110, 6236498), (142, 4831090), (148, 4635235), (185, 3708188), (220, 3118249), (284, 2415545), (355, 1932436), (370, 1854094), (407, 1685540), (710, 966218), (740, 927047), (781, 878380), (814, 842770), (1187, 577940), (1420, 483109), (1562, 439190), (1628, 421385), (2035, 337108), (2374, 288970), (2627, 261140), (3124, 219595), (3905, 175676), (4070, 168554), (4748, 144485), (5254, 130570), (5935, 115588), (7810, 87838), (8140, 84277), (10508, 65285), (11870, 57794), (13057, 52540), (13135, 52228), (15620, 43919), (23740, 28897), (26114, 26270)]