201719260

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103979}}^1$

素因数の和:104085

約数の個数: 24

約数和(自身を含む): 427981680

約数和(自身を除く): 226262420

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 103979, 207958, 415916, 519895, 1039790, 2079580, 10085963, 20171926, 40343852, 50429815, 100859630, 201719260]

約数ペア:

[(1, 201719260), (2, 100859630), (4, 50429815), (5, 40343852), (10, 20171926), (20, 10085963), (97, 2079580), (194, 1039790), (388, 519895), (485, 415916), (970, 207958), (1940, 103979)]