68298440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{691}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 176376960

約数和(自身を除く): 108078520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 353, 691, 706, 1382, 1412, 1765, 2471, 2764, 2824, 3455, 3530, 4837, 4942, 5528, 6910, 7060, 9674, 9884, 12355, 13820, 14120, 19348, 19768, 24185, 24710, 27640, 38696, 48370, 49420, 96740, 98840, 193480, 243923, 487846, 975692, 1219615, 1707461, 1951384, 2439230, 3414922, 4878460, 6829844, 8537305, 9756920, 13659688, 17074610, 34149220, 68298440]

約数ペア:

[(1, 68298440), (2, 34149220), (4, 17074610), (5, 13659688), (7, 9756920), (8, 8537305), (10, 6829844), (14, 4878460), (20, 3414922), (28, 2439230), (35, 1951384), (40, 1707461), (56, 1219615), (70, 975692), (140, 487846), (280, 243923), (353, 193480), (691, 98840), (706, 96740), (1382, 49420), (1412, 48370), (1765, 38696), (2471, 27640), (2764, 24710), (2824, 24185), (3455, 19768), (3530, 19348), (4837, 14120), (4942, 13820), (5528, 12355), (6910, 9884), (7060, 9674)]