1855166975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 2460780000

約数和(自身を除く): 605613025

約数列:

[1, 5, 25, 29, 41, 139, 145, 205, 449, 695, 725, 1025, 1189, 2245, 3475, 4031, 5699, 5945, 11225, 13021, 18409, 20155, 28495, 29725, 62411, 65105, 92045, 100775, 142475, 165271, 312055, 325525, 460225, 533861, 826355, 1560275, 1809919, 2558851, 2669305, 4131775, 9049595, 12794255, 13346525, 45247975, 63971275, 74206679, 371033395, 1855166975]

約数ペア:

[(1, 1855166975), (5, 371033395), (25, 74206679), (29, 63971275), (41, 45247975), (139, 13346525), (145, 12794255), (205, 9049595), (449, 4131775), (695, 2669305), (725, 2558851), (1025, 1809919), (1189, 1560275), (2245, 826355), (3475, 533861), (4031, 460225), (5699, 325525), (5945, 312055), (11225, 165271), (13021, 142475), (18409, 100775), (20155, 92045), (28495, 65105), (29725, 62411)]