156940025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1789}}^1$

素因数の和:1850

約数の個数: 36

約数和(自身を含む): 221405100

約数和(自身を除く): 64465075

約数列:

[1, 5, 11, 25, 29, 55, 121, 145, 275, 319, 605, 725, 1595, 1789, 3025, 3509, 7975, 8945, 17545, 19679, 44725, 51881, 87725, 98395, 216469, 259405, 491975, 570691, 1082345, 1297025, 2853455, 5411725, 6277601, 14267275, 31388005, 156940025]

約数ペア:

[(1, 156940025), (5, 31388005), (11, 14267275), (25, 6277601), (29, 5411725), (55, 2853455), (121, 1297025), (145, 1082345), (275, 570691), (319, 491975), (605, 259405), (725, 216469), (1595, 98395), (1789, 87725), (3025, 51881), (3509, 44725), (7975, 19679), (8945, 17545)]