30719990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 67305600

約数和(自身を除く): 36585610

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 37, 58, 70, 74, 145, 185, 203, 259, 290, 370, 406, 409, 518, 818, 1015, 1073, 1295, 2030, 2045, 2146, 2590, 2863, 4090, 5365, 5726, 7511, 10730, 11861, 14315, 15022, 15133, 23722, 28630, 30266, 37555, 59305, 75110, 75665, 83027, 105931, 118610, 151330, 166054, 211862, 415135, 438857, 529655, 830270, 877714, 1059310, 2194285, 3071999, 4388570, 6143998, 15359995, 30719990]

約数ペア:

[(1, 30719990), (2, 15359995), (5, 6143998), (7, 4388570), (10, 3071999), (14, 2194285), (29, 1059310), (35, 877714), (37, 830270), (58, 529655), (70, 438857), (74, 415135), (145, 211862), (185, 166054), (203, 151330), (259, 118610), (290, 105931), (370, 83027), (406, 75665), (409, 75110), (518, 59305), (818, 37555), (1015, 30266), (1073, 28630), (1295, 23722), (2030, 15133), (2045, 15022), (2146, 14315), (2590, 11861), (2863, 10730), (4090, 7511), (5365, 5726)]