202190190920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2729}}^1\times {\mathrm{16993}}^1$

素因数の和:19842

約数の個数: 64

約数和(自身を含む): 459296838000

約数和(自身を除く): 257106647080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2729, 4360, 5458, 10916, 13645, 16993, 21832, 27290, 33986, 54580, 67972, 84965, 109160, 135944, 169930, 297461, 339860, 594922, 679720, 1189844, 1487305, 1852237, 2379688, 2974610, 3704474, 5949220, 7408948, 9261185, 11898440, 14817896, 18522370, 37044740, 46373897, 74089480, 92747794, 185495588, 231869485, 370991176, 463738970, 927477940, 1854955880, 5054754773, 10109509546, 20219019092, 25273773865, 40438038184, 50547547730, 101095095460, 202190190920]

約数ペア:

[(1, 202190190920), (2, 101095095460), (4, 50547547730), (5, 40438038184), (8, 25273773865), (10, 20219019092), (20, 10109509546), (40, 5054754773), (109, 1854955880), (218, 927477940), (436, 463738970), (545, 370991176), (872, 231869485), (1090, 185495588), (2180, 92747794), (2729, 74089480), (4360, 46373897), (5458, 37044740), (10916, 18522370), (13645, 14817896), (16993, 11898440), (21832, 9261185), (27290, 7408948), (33986, 5949220), (54580, 3704474), (67972, 2974610), (84965, 2379688), (109160, 1852237), (135944, 1487305), (169930, 1189844), (297461, 679720), (339860, 594922)]