2215340

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 4681152

約数和(自身を除く): 2465812

約数列:

[1, 2, 4, 5, 10, 20, 257, 431, 514, 862, 1028, 1285, 1724, 2155, 2570, 4310, 5140, 8620, 110767, 221534, 443068, 553835, 1107670, 2215340]

約数ペア:

[(1, 2215340), (2, 1107670), (4, 553835), (5, 443068), (10, 221534), (20, 110767), (257, 8620), (431, 5140), (514, 4310), (862, 2570), (1028, 2155), (1285, 1724)]