7782940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2081}}^1$

素因数の和:2118

約数の個数: 48

約数和(自身を含む): 18887904

約数和(自身を除く): 11104964

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 2081, 3740, 4162, 8324, 10405, 20810, 22891, 35377, 41620, 45782, 70754, 91564, 114455, 141508, 176885, 228910, 353770, 389147, 457820, 707540, 778294, 1556588, 1945735, 3891470, 7782940]

約数ペア:

[(1, 7782940), (2, 3891470), (4, 1945735), (5, 1556588), (10, 778294), (11, 707540), (17, 457820), (20, 389147), (22, 353770), (34, 228910), (44, 176885), (55, 141508), (68, 114455), (85, 91564), (110, 70754), (170, 45782), (187, 41620), (220, 35377), (340, 22891), (374, 20810), (748, 10405), (935, 8324), (1870, 4162), (2081, 3740)]