28386260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11927}}^1$

素因数の和:11960

約数の個数: 48

約数和(自身を含む): 72140544

約数和(自身を除く): 43754284

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 11927, 23854, 47708, 59635, 83489, 119270, 166978, 202759, 238540, 333956, 405518, 417445, 811036, 834890, 1013795, 1419313, 1669780, 2027590, 2838626, 4055180, 5677252, 7096565, 14193130, 28386260]

約数ペア:

[(1, 28386260), (2, 14193130), (4, 7096565), (5, 5677252), (7, 4055180), (10, 2838626), (14, 2027590), (17, 1669780), (20, 1419313), (28, 1013795), (34, 834890), (35, 811036), (68, 417445), (70, 405518), (85, 333956), (119, 238540), (140, 202759), (170, 166978), (238, 119270), (340, 83489), (476, 59635), (595, 47708), (1190, 23854), (2380, 11927)]