16867340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 40744704

約数和(自身を除く): 23877364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 571, 844, 1055, 1142, 1477, 2110, 2284, 2855, 2954, 3997, 4220, 5710, 5908, 7385, 7994, 11420, 14770, 15988, 19985, 29540, 39970, 79940, 120481, 240962, 481924, 602405, 843367, 1204810, 1686734, 2409620, 3373468, 4216835, 8433670, 16867340]

約数ペア:

[(1, 16867340), (2, 8433670), (4, 4216835), (5, 3373468), (7, 2409620), (10, 1686734), (14, 1204810), (20, 843367), (28, 602405), (35, 481924), (70, 240962), (140, 120481), (211, 79940), (422, 39970), (571, 29540), (844, 19985), (1055, 15988), (1142, 14770), (1477, 11420), (2110, 7994), (2284, 7385), (2855, 5908), (2954, 5710), (3997, 4220)]