219345740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{108587}}^1$

素因数の和:108697

約数の個数: 24

約数和(自身を含む): 465190992

約数和(自身を除く): 245845252

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 108587, 217174, 434348, 542935, 1085870, 2171740, 10967287, 21934574, 43869148, 54836435, 109672870, 219345740]

約数ペア:

[(1, 219345740), (2, 109672870), (4, 54836435), (5, 43869148), (10, 21934574), (20, 10967287), (101, 2171740), (202, 1085870), (404, 542935), (505, 434348), (1010, 217174), (2020, 108587)]