720336925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{12071}}^1$

素因数の和:12130

約数の個数: 48

約数和(自身を含む): 1149640704

約数和(自身を除く): 429303779

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 155, 175, 217, 275, 341, 385, 775, 1085, 1705, 1925, 2387, 5425, 8525, 11935, 12071, 59675, 60355, 84497, 132781, 301775, 374201, 422485, 663905, 929467, 1871005, 2112425, 2619407, 3319525, 4116211, 4647335, 9355025, 13097035, 20581055, 23236675, 28813477, 65485175, 102905275, 144067385, 720336925]

約数ペア:

[(1, 720336925), (5, 144067385), (7, 102905275), (11, 65485175), (25, 28813477), (31, 23236675), (35, 20581055), (55, 13097035), (77, 9355025), (155, 4647335), (175, 4116211), (217, 3319525), (275, 2619407), (341, 2112425), (385, 1871005), (775, 929467), (1085, 663905), (1705, 422485), (1925, 374201), (2387, 301775), (5425, 132781), (8525, 84497), (11935, 60355), (12071, 59675)]