201723140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103981}}^1$

素因数の和:104087

約数の個数: 24

約数和(自身を含む): 427989912

約数和(自身を除く): 226266772

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 103981, 207962, 415924, 519905, 1039810, 2079620, 10086157, 20172314, 40344628, 50430785, 100861570, 201723140]

約数ペア:

[(1, 201723140), (2, 100861570), (4, 50430785), (5, 40344628), (10, 20172314), (20, 10086157), (97, 2079620), (194, 1039810), (388, 519905), (485, 415924), (970, 207962), (1940, 103981)]