122977975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2909}}^1$

素因数の和:3027

約数の個数: 24

約数和(自身を含む): 162378000

約数和(自身を除く): 39400025

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 1691, 2225, 2909, 8455, 14545, 42275, 55271, 72725, 258901, 276355, 1294505, 1381775, 4919119, 6472525, 24595595, 122977975]

約数ペア:

[(1, 122977975), (5, 24595595), (19, 6472525), (25, 4919119), (89, 1381775), (95, 1294505), (445, 276355), (475, 258901), (1691, 72725), (2225, 55271), (2909, 42275), (8455, 14545)]