987393740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{25409}}^1$

素因数の和:25514

約数の個数: 48

約数和(自身を含む): 2177128800

約数和(自身を除く): 1189735060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 580, 670, 1340, 1943, 3886, 7772, 9715, 19430, 25409, 38860, 50818, 101636, 127045, 254090, 508180, 736861, 1473722, 1702403, 2947444, 3404806, 3684305, 6809612, 7368610, 8512015, 14737220, 17024030, 34048060, 49369687, 98739374, 197478748, 246848435, 493696870, 987393740]

約数ペア:

[(1, 987393740), (2, 493696870), (4, 246848435), (5, 197478748), (10, 98739374), (20, 49369687), (29, 34048060), (58, 17024030), (67, 14737220), (116, 8512015), (134, 7368610), (145, 6809612), (268, 3684305), (290, 3404806), (335, 2947444), (580, 1702403), (670, 1473722), (1340, 736861), (1943, 508180), (3886, 254090), (7772, 127045), (9715, 101636), (19430, 50818), (25409, 38860)]