2799020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19993}}^1$

素因数の和:20009

約数の個数: 24

約数和(自身を含む): 6717984

約数和(自身を除く): 3918964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19993, 39986, 79972, 99965, 139951, 199930, 279902, 399860, 559804, 699755, 1399510, 2799020]

約数ペア:

[(1, 2799020), (2, 1399510), (4, 699755), (5, 559804), (7, 399860), (10, 279902), (14, 199930), (20, 139951), (28, 99965), (35, 79972), (70, 39986), (140, 19993)]