280349744

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{160751}}^1$

素因数の和:160868

約数の個数: 20

約数和(自身を含む): 548164320

約数和(自身を除く): 267814576

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 160751, 321502, 643004, 1286008, 2572016, 17521859, 35043718, 70087436, 140174872, 280349744]

約数ペア:

[(1, 280349744), (2, 140174872), (4, 70087436), (8, 35043718), (16, 17521859), (109, 2572016), (218, 1286008), (436, 643004), (872, 321502), (1744, 160751)]