7118020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3911}}^1$

素因数の和:3940

約数の個数: 48

約数和(自身を含む): 18402048

約数和(自身を除く): 11284028

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 3911, 7822, 15644, 19555, 27377, 39110, 50843, 54754, 78220, 101686, 109508, 136885, 203372, 254215, 273770, 355901, 508430, 547540, 711802, 1016860, 1423604, 1779505, 3559010, 7118020]

約数ペア:

[(1, 7118020), (2, 3559010), (4, 1779505), (5, 1423604), (7, 1016860), (10, 711802), (13, 547540), (14, 508430), (20, 355901), (26, 273770), (28, 254215), (35, 203372), (52, 136885), (65, 109508), (70, 101686), (91, 78220), (130, 54754), (140, 50843), (182, 39110), (260, 27377), (364, 19555), (455, 15644), (910, 7822), (1820, 3911)]