287988260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{2861}}^1$

素因数の和:3596

約数の個数: 48

約数和(自身を含む): 692375040

約数和(自身を除く): 404386780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 719, 1438, 2861, 2876, 3595, 5033, 5722, 7190, 10066, 11444, 14305, 14380, 20027, 20132, 25165, 28610, 40054, 50330, 57220, 80108, 100135, 100660, 200270, 400540, 2057059, 4114118, 8228236, 10285295, 14399413, 20570590, 28798826, 41141180, 57597652, 71997065, 143994130, 287988260]

約数ペア:

[(1, 287988260), (2, 143994130), (4, 71997065), (5, 57597652), (7, 41141180), (10, 28798826), (14, 20570590), (20, 14399413), (28, 10285295), (35, 8228236), (70, 4114118), (140, 2057059), (719, 400540), (1438, 200270), (2861, 100660), (2876, 100135), (3595, 80108), (5033, 57220), (5722, 50330), (7190, 40054), (10066, 28610), (11444, 25165), (14305, 20132), (14380, 20027)]