257125020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{147773}}^1$

素因数の和:147814

約数の個数: 48

約数和(自身を含む): 744780960

約数和(自身を除く): 487655940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 147773, 295546, 443319, 591092, 738865, 886638, 1477730, 1773276, 2216595, 2955460, 4285417, 4433190, 8570834, 8866380, 12856251, 17141668, 21427085, 25712502, 42854170, 51425004, 64281255, 85708340, 128562510, 257125020]

約数ペア:

[(1, 257125020), (2, 128562510), (3, 85708340), (4, 64281255), (5, 51425004), (6, 42854170), (10, 25712502), (12, 21427085), (15, 17141668), (20, 12856251), (29, 8866380), (30, 8570834), (58, 4433190), (60, 4285417), (87, 2955460), (116, 2216595), (145, 1773276), (174, 1477730), (290, 886638), (348, 738865), (435, 591092), (580, 443319), (870, 295546), (1740, 147773)]