289415080

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{37489}}^1$

素因数の和:37693

約数の個数: 32

約数和(自身を含む): 654575400

約数和(自身を除く): 365160320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 37489, 74978, 149956, 187445, 299912, 374890, 749780, 1499560, 7235377, 14470754, 28941508, 36176885, 57883016, 72353770, 144707540, 289415080]

約数ペア:

[(1, 289415080), (2, 144707540), (4, 72353770), (5, 57883016), (8, 36176885), (10, 28941508), (20, 14470754), (40, 7235377), (193, 1499560), (386, 749780), (772, 374890), (965, 299912), (1544, 187445), (1930, 149956), (3860, 74978), (7720, 37489)]