2016655870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 3849690240

約数和(自身を除く): 1833034370

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 257, 313, 514, 545, 626, 1090, 1285, 1565, 2507, 2570, 3130, 5014, 5911, 7199, 11822, 12535, 14398, 25070, 28013, 29555, 34117, 35995, 56026, 59110, 68234, 71990, 80441, 140065, 160882, 170585, 280130, 341170, 402205, 644299, 784691, 804410, 1288598, 1569382, 1850143, 3221495, 3700286, 3923455, 6442990, 7846910, 8768069, 9250715, 17536138, 18501430, 43840345, 87680690, 201665587, 403331174, 1008327935, 2016655870]

約数ペア:

[(1, 2016655870), (2, 1008327935), (5, 403331174), (10, 201665587), (23, 87680690), (46, 43840345), (109, 18501430), (115, 17536138), (218, 9250715), (230, 8768069), (257, 7846910), (313, 6442990), (514, 3923455), (545, 3700286), (626, 3221495), (1090, 1850143), (1285, 1569382), (1565, 1288598), (2507, 804410), (2570, 784691), (3130, 644299), (5014, 402205), (5911, 341170), (7199, 280130), (11822, 170585), (12535, 160882), (14398, 140065), (25070, 80441), (28013, 71990), (29555, 68234), (34117, 59110), (35995, 56026)]