156971170090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{72503}}^1$

素因数の和:72871

約数の個数: 64

約数和(自身を含む): 326622979584

約数和(自身を除く): 169651809494

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 197, 314, 394, 785, 985, 1099, 1379, 1570, 1970, 2198, 2758, 5495, 6895, 10990, 13790, 30929, 61858, 72503, 145006, 154645, 216503, 309290, 362515, 433006, 507521, 725030, 1015042, 1082515, 2165030, 2537605, 5075210, 11382971, 14283091, 22765942, 28566182, 56914855, 71415455, 79680797, 99981637, 113829710, 142830910, 159361594, 199963274, 398403985, 499908185, 796807970, 999816370, 2242445287, 4484890574, 11212226435, 15697117009, 22424452870, 31394234018, 78485585045, 156971170090]

約数ペア:

[(1, 156971170090), (2, 78485585045), (5, 31394234018), (7, 22424452870), (10, 15697117009), (14, 11212226435), (35, 4484890574), (70, 2242445287), (157, 999816370), (197, 796807970), (314, 499908185), (394, 398403985), (785, 199963274), (985, 159361594), (1099, 142830910), (1379, 113829710), (1570, 99981637), (1970, 79680797), (2198, 71415455), (2758, 56914855), (5495, 28566182), (6895, 22765942), (10990, 14283091), (13790, 11382971), (30929, 5075210), (61858, 2537605), (72503, 2165030), (145006, 1082515), (154645, 1015042), (216503, 725030), (309290, 507521), (362515, 433006)]