259110220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{3533}}^1$

素因数の和:3754

約数の個数: 48

約数和(自身を含む): 575900640

約数和(自身を除く): 316790420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 772, 965, 1930, 3533, 3667, 3860, 7066, 7334, 14132, 14668, 17665, 18335, 35330, 36670, 67127, 70660, 73340, 134254, 268508, 335635, 671270, 681869, 1342540, 1363738, 2727476, 3409345, 6818690, 12955511, 13637380, 25911022, 51822044, 64777555, 129555110, 259110220]

約数ペア:

[(1, 259110220), (2, 129555110), (4, 64777555), (5, 51822044), (10, 25911022), (19, 13637380), (20, 12955511), (38, 6818690), (76, 3409345), (95, 2727476), (190, 1363738), (193, 1342540), (380, 681869), (386, 671270), (772, 335635), (965, 268508), (1930, 134254), (3533, 73340), (3667, 70660), (3860, 67127), (7066, 36670), (7334, 35330), (14132, 18335), (14668, 17665)]