2730781025

素因数分解:

$5^2\times 7^2\times {\mathrm{797}}^1\times {\mathrm{2797}}^1$

素因数の和:3618

約数の個数: 36

約数和(自身を含む): 3945364668

約数和(自身を除く): 1214583643

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 797, 1225, 2797, 3985, 5579, 13985, 19579, 19925, 27895, 39053, 69925, 97895, 137053, 139475, 195265, 489475, 685265, 976325, 2229209, 3426325, 11146045, 15604463, 55730225, 78022315, 109231241, 390111575, 546156205, 2730781025]

約数ペア:

[(1, 2730781025), (5, 546156205), (7, 390111575), (25, 109231241), (35, 78022315), (49, 55730225), (175, 15604463), (245, 11146045), (797, 3426325), (1225, 2229209), (2797, 976325), (3985, 685265), (5579, 489475), (13985, 195265), (19579, 139475), (19925, 137053), (27895, 97895), (39053, 69925)]