254335940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131101}}^1$

素因数の和:131207

約数の個数: 24

約数和(自身を含む): 539615832

約数和(自身を除く): 285279892

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 131101, 262202, 524404, 655505, 1311010, 2622020, 12716797, 25433594, 50867188, 63583985, 127167970, 254335940]

約数ペア:

[(1, 254335940), (2, 127167970), (4, 63583985), (5, 50867188), (10, 25433594), (20, 12716797), (97, 2622020), (194, 1311010), (388, 655505), (485, 524404), (970, 262202), (1940, 131101)]