138572225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2411}}^1$

素因数の和:2462

約数の個数: 36

約数和(自身を含む): 198893520

約数和(自身を除く): 60321295

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 209, 275, 475, 605, 1045, 2299, 2411, 3025, 5225, 11495, 12055, 26521, 45809, 57475, 60275, 132605, 229045, 291731, 503899, 663025, 1145225, 1458655, 2519495, 5542889, 7293275, 12597475, 27714445, 138572225]

約数ペア:

[(1, 138572225), (5, 27714445), (11, 12597475), (19, 7293275), (25, 5542889), (55, 2519495), (95, 1458655), (121, 1145225), (209, 663025), (275, 503899), (475, 291731), (605, 229045), (1045, 132605), (2299, 60275), (2411, 57475), (3025, 45809), (5225, 26521), (11495, 12055)]