1761279440

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1\times {\mathrm{863}}^1$

素因数の和:1236

約数の個数: 80

約数和(自身を含む): 4157733888

約数和(自身を除く): 2396454448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 263, 388, 485, 526, 776, 863, 970, 1052, 1315, 1552, 1726, 1940, 2104, 2630, 3452, 3880, 4208, 4315, 5260, 6904, 7760, 8630, 10520, 13808, 17260, 21040, 25511, 34520, 51022, 69040, 83711, 102044, 127555, 167422, 204088, 226969, 255110, 334844, 408176, 418555, 453938, 510220, 669688, 837110, 907876, 1020440, 1134845, 1339376, 1674220, 1815752, 2040880, 2269690, 3348440, 3631504, 4539380, 6696880, 9078760, 18157520, 22015993, 44031986, 88063972, 110079965, 176127944, 220159930, 352255888, 440319860, 880639720, 1761279440]

約数ペア:

[(1, 1761279440), (2, 880639720), (4, 440319860), (5, 352255888), (8, 220159930), (10, 176127944), (16, 110079965), (20, 88063972), (40, 44031986), (80, 22015993), (97, 18157520), (194, 9078760), (263, 6696880), (388, 4539380), (485, 3631504), (526, 3348440), (776, 2269690), (863, 2040880), (970, 1815752), (1052, 1674220), (1315, 1339376), (1552, 1134845), (1726, 1020440), (1940, 907876), (2104, 837110), (2630, 669688), (3452, 510220), (3880, 453938), (4208, 418555), (4315, 408176), (5260, 334844), (6904, 255110), (7760, 226969), (8630, 204088), (10520, 167422), (13808, 127555), (17260, 102044), (21040, 83711), (25511, 69040), (34520, 51022)]