349882370

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{1249}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 638550000

約数和(自身を除く): 288667630

約数列:

[1, 2, 5, 10, 109, 218, 257, 514, 545, 1090, 1249, 1285, 2498, 2570, 6245, 12490, 28013, 56026, 136141, 140065, 272282, 280130, 320993, 641986, 680705, 1361410, 1604965, 3209930, 34988237, 69976474, 174941185, 349882370]

約数ペア:

[(1, 349882370), (2, 174941185), (5, 69976474), (10, 34988237), (109, 3209930), (218, 1604965), (257, 1361410), (514, 680705), (545, 641986), (1090, 320993), (1249, 280130), (1285, 272282), (2498, 140065), (2570, 136141), (6245, 56026), (12490, 28013)]