26808230260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{106441}}^1$

素因数の和:106721

約数の個数: 72

約数和(自身を含む): 65744114184

約数和(自身を除く): 38935883924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 257, 490, 514, 980, 1028, 1285, 1799, 2570, 3598, 5140, 7196, 8995, 12593, 17990, 25186, 35980, 50372, 62965, 106441, 125930, 212882, 251860, 425764, 532205, 745087, 1064410, 1490174, 2128820, 2980348, 3725435, 5215609, 7450870, 10431218, 14901740, 20862436, 26078045, 27355337, 52156090, 54710674, 104312180, 109421348, 136776685, 191487359, 273553370, 382974718, 547106740, 765949436, 957436795, 1340411513, 1914873590, 2680823026, 3829747180, 5361646052, 6702057565, 13404115130, 26808230260]

約数ペア:

[(1, 26808230260), (2, 13404115130), (4, 6702057565), (5, 5361646052), (7, 3829747180), (10, 2680823026), (14, 1914873590), (20, 1340411513), (28, 957436795), (35, 765949436), (49, 547106740), (70, 382974718), (98, 273553370), (140, 191487359), (196, 136776685), (245, 109421348), (257, 104312180), (490, 54710674), (514, 52156090), (980, 27355337), (1028, 26078045), (1285, 20862436), (1799, 14901740), (2570, 10431218), (3598, 7450870), (5140, 5215609), (7196, 3725435), (8995, 2980348), (12593, 2128820), (17990, 1490174), (25186, 1064410), (35980, 745087), (50372, 532205), (62965, 425764), (106441, 251860), (125930, 212882)]