201922940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20479}}^1$

素因数の和:20534

約数の個数: 48

約数和(自身を含む): 464486400

約数和(自身を除く): 262563460

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 20479, 40958, 81916, 102395, 204790, 348143, 409580, 593891, 696286, 1187782, 1392572, 1740715, 2375564, 2969455, 3481430, 5938910, 6962860, 10096147, 11877820, 20192294, 40384588, 50480735, 100961470, 201922940]

約数ペア:

[(1, 201922940), (2, 100961470), (4, 50480735), (5, 40384588), (10, 20192294), (17, 11877820), (20, 10096147), (29, 6962860), (34, 5938910), (58, 3481430), (68, 2969455), (85, 2375564), (116, 1740715), (145, 1392572), (170, 1187782), (290, 696286), (340, 593891), (493, 409580), (580, 348143), (986, 204790), (1972, 102395), (2465, 81916), (4930, 40958), (9860, 20479)]