28498020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2411}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 80232768

約数和(自身を除く): 51734748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2411, 2955, 3940, 4822, 5910, 7233, 9644, 11820, 12055, 14466, 24110, 28932, 36165, 48220, 72330, 144660, 474967, 949934, 1424901, 1899868, 2374835, 2849802, 4749670, 5699604, 7124505, 9499340, 14249010, 28498020]

約数ペア:

[(1, 28498020), (2, 14249010), (3, 9499340), (4, 7124505), (5, 5699604), (6, 4749670), (10, 2849802), (12, 2374835), (15, 1899868), (20, 1424901), (30, 949934), (60, 474967), (197, 144660), (394, 72330), (591, 48220), (788, 36165), (985, 28932), (1182, 24110), (1970, 14466), (2364, 12055), (2411, 11820), (2955, 9644), (3940, 7233), (4822, 5910)]