419767975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21499}}^1$

素因数の和:21591

約数の個数: 24

約数和(自身を含む): 575856000

約数和(自身を除く): 156088025

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1775, 3905, 19525, 21499, 107495, 236489, 537475, 1182445, 1526429, 5912225, 7632145, 16790719, 38160725, 83953595, 419767975]

約数ペア:

[(1, 419767975), (5, 83953595), (11, 38160725), (25, 16790719), (55, 7632145), (71, 5912225), (275, 1526429), (355, 1182445), (781, 537475), (1775, 236489), (3905, 107495), (19525, 21499)]