13999720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{49999}}^1$

素因数の和:50017

約数の個数: 32

約数和(自身を含む): 36000000

約数和(自身を除く): 22000280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 49999, 99998, 199996, 249995, 349993, 399992, 499990, 699986, 999980, 1399972, 1749965, 1999960, 2799944, 3499930, 6999860, 13999720]

約数ペア:

[(1, 13999720), (2, 6999860), (4, 3499930), (5, 2799944), (7, 1999960), (8, 1749965), (10, 1399972), (14, 999980), (20, 699986), (28, 499990), (35, 399992), (40, 349993), (56, 249995), (70, 199996), (140, 99998), (280, 49999)]