320765180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{14081}}^1$

素因数の和:14174

約数の個数: 48

約数和(自身を含む): 723927456

約数和(自身を除く): 403162276

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 4556, 5695, 11390, 14081, 22780, 28162, 56324, 70405, 140810, 239377, 281620, 478754, 943427, 957508, 1196885, 1886854, 2393770, 3773708, 4717135, 4787540, 9434270, 16038259, 18868540, 32076518, 64153036, 80191295, 160382590, 320765180]

約数ペア:

[(1, 320765180), (2, 160382590), (4, 80191295), (5, 64153036), (10, 32076518), (17, 18868540), (20, 16038259), (34, 9434270), (67, 4787540), (68, 4717135), (85, 3773708), (134, 2393770), (170, 1886854), (268, 1196885), (335, 957508), (340, 943427), (670, 478754), (1139, 281620), (1340, 239377), (2278, 140810), (4556, 70405), (5695, 56324), (11390, 28162), (14081, 22780)]