223990460

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{115459}}^1$

素因数の和:115565

約数の個数: 24

約数和(自身を含む): 475233360

約数和(自身を除く): 251242900

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 115459, 230918, 461836, 577295, 1154590, 2309180, 11199523, 22399046, 44798092, 55997615, 111995230, 223990460]

約数ペア:

[(1, 223990460), (2, 111995230), (4, 55997615), (5, 44798092), (10, 22399046), (20, 11199523), (97, 2309180), (194, 1154590), (388, 577295), (485, 461836), (970, 230918), (1940, 115459)]