209215695740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1\times {\mathrm{269351}}^1$

素因数の和:269978

約数の個数: 48

約数和(自身を含む): 446357205504

約数和(自身を除く): 237141509764

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 547, 710, 1094, 1420, 2188, 2735, 5470, 10940, 38837, 77674, 155348, 194185, 269351, 388370, 538702, 776740, 1077404, 1346755, 2693510, 5387020, 19123921, 38247842, 76495684, 95619605, 147334997, 191239210, 294669994, 382478420, 589339988, 736674985, 1473349970, 2946699940, 10460784787, 20921569574, 41843139148, 52303923935, 104607847870, 209215695740]

約数ペア:

[(1, 209215695740), (2, 104607847870), (4, 52303923935), (5, 41843139148), (10, 20921569574), (20, 10460784787), (71, 2946699940), (142, 1473349970), (284, 736674985), (355, 589339988), (547, 382478420), (710, 294669994), (1094, 191239210), (1420, 147334997), (2188, 95619605), (2735, 76495684), (5470, 38247842), (10940, 19123921), (38837, 5387020), (77674, 2693510), (155348, 1346755), (194185, 1077404), (269351, 776740), (388370, 538702)]