2155890248

素因数分解:

$2^3\times {\mathrm{37}}^2\times {\mathrm{101}}^1\times {\mathrm{1949}}^1$

素因数の和:2130

約数の個数: 48

約数和(自身を含む): 4197784500

約数和(自身を除く): 2041894252

約数列:

[1, 2, 4, 8, 37, 74, 101, 148, 202, 296, 404, 808, 1369, 1949, 2738, 3737, 3898, 5476, 7474, 7796, 10952, 14948, 15592, 29896, 72113, 138269, 144226, 196849, 276538, 288452, 393698, 553076, 576904, 787396, 1106152, 1574792, 2668181, 5336362, 7283413, 10672724, 14566826, 21345448, 29133652, 58267304, 269486281, 538972562, 1077945124, 2155890248]

約数ペア:

[(1, 2155890248), (2, 1077945124), (4, 538972562), (8, 269486281), (37, 58267304), (74, 29133652), (101, 21345448), (148, 14566826), (202, 10672724), (296, 7283413), (404, 5336362), (808, 2668181), (1369, 1574792), (1949, 1106152), (2738, 787396), (3737, 576904), (3898, 553076), (5476, 393698), (7474, 288452), (7796, 276538), (10952, 196849), (14948, 144226), (15592, 138269), (29896, 72113)]