680367536

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{390119}}^1$

素因数の和:390236

約数の個数: 20

約数和(自身を含む): 1330309200

約数和(自身を除く): 649941664

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 390119, 780238, 1560476, 3120952, 6241904, 42522971, 85045942, 170091884, 340183768, 680367536]

約数ペア:

[(1, 680367536), (2, 340183768), (4, 170091884), (8, 85045942), (16, 42522971), (109, 6241904), (218, 3120952), (436, 1560476), (872, 780238), (1744, 390119)]