321824380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{159319}}^1$

素因数の和:159429

約数の個数: 24

約数和(自身を含む): 682526880

約数和(自身を除く): 360702500

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 159319, 318638, 637276, 796595, 1593190, 3186380, 16091219, 32182438, 64364876, 80456095, 160912190, 321824380]

約数ペア:

[(1, 321824380), (2, 160912190), (4, 80456095), (5, 64364876), (10, 32182438), (20, 16091219), (101, 3186380), (202, 1593190), (404, 796595), (505, 637276), (1010, 318638), (2020, 159319)]