28366980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1123}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 79687104

約数和(自身を除く): 51320124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 1123, 1263, 1684, 2105, 2246, 2526, 3369, 4210, 4492, 5052, 5615, 6315, 6738, 8420, 11230, 12630, 13476, 16845, 22460, 25260, 33690, 67380, 472783, 945566, 1418349, 1891132, 2363915, 2836698, 4727830, 5673396, 7091745, 9455660, 14183490, 28366980]

約数ペア:

[(1, 28366980), (2, 14183490), (3, 9455660), (4, 7091745), (5, 5673396), (6, 4727830), (10, 2836698), (12, 2363915), (15, 1891132), (20, 1418349), (30, 945566), (60, 472783), (421, 67380), (842, 33690), (1123, 25260), (1263, 22460), (1684, 16845), (2105, 13476), (2246, 12630), (2526, 11230), (3369, 8420), (4210, 6738), (4492, 6315), (5052, 5615)]