8427020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8599}}^1$

素因数の和:8622

約数の個数: 36

約数和(自身を含む): 20588400

約数和(自身を除く): 12161380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8599, 17198, 34396, 42995, 60193, 85990, 120386, 171980, 240772, 300965, 421351, 601930, 842702, 1203860, 1685404, 2106755, 4213510, 8427020]

約数ペア:

[(1, 8427020), (2, 4213510), (4, 2106755), (5, 1685404), (7, 1203860), (10, 842702), (14, 601930), (20, 421351), (28, 300965), (35, 240772), (49, 171980), (70, 120386), (98, 85990), (140, 60193), (196, 42995), (245, 34396), (490, 17198), (980, 8599)]