676940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 1651104

約数和(自身を除く): 974164

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 181, 187, 220, 340, 362, 374, 724, 748, 905, 935, 1810, 1870, 1991, 3077, 3620, 3740, 3982, 6154, 7964, 9955, 12308, 15385, 19910, 30770, 33847, 39820, 61540, 67694, 135388, 169235, 338470, 676940]

約数ペア:

[(1, 676940), (2, 338470), (4, 169235), (5, 135388), (10, 67694), (11, 61540), (17, 39820), (20, 33847), (22, 30770), (34, 19910), (44, 15385), (55, 12308), (68, 9955), (85, 7964), (110, 6154), (170, 3982), (181, 3740), (187, 3620), (220, 3077), (340, 1991), (362, 1870), (374, 1810), (724, 935), (748, 905)]