879804520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{20809}}^1$

素因数の和:20978

約数の個数: 64

約数和(自身を含む): 2277446400

約数和(自身を除く): 1397641880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 755, 1057, 1208, 1510, 2114, 3020, 4228, 5285, 6040, 8456, 10570, 20809, 21140, 41618, 42280, 83236, 104045, 145663, 166472, 208090, 291326, 416180, 582652, 728315, 832360, 1165304, 1456630, 2913260, 3142159, 5826520, 6284318, 12568636, 15710795, 21995113, 25137272, 31421590, 43990226, 62843180, 87980452, 109975565, 125686360, 175960904, 219951130, 439902260, 879804520]

約数ペア:

[(1, 879804520), (2, 439902260), (4, 219951130), (5, 175960904), (7, 125686360), (8, 109975565), (10, 87980452), (14, 62843180), (20, 43990226), (28, 31421590), (35, 25137272), (40, 21995113), (56, 15710795), (70, 12568636), (140, 6284318), (151, 5826520), (280, 3142159), (302, 2913260), (604, 1456630), (755, 1165304), (1057, 832360), (1208, 728315), (1510, 582652), (2114, 416180), (3020, 291326), (4228, 208090), (5285, 166472), (6040, 145663), (8456, 104045), (10570, 83236), (20809, 42280), (21140, 41618)]