28105230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21787}}^1$

素因数の和:21840

約数の個数: 32

約数和(自身を含む): 69024384

約数和(自身を除く): 40919154

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 21787, 43574, 65361, 108935, 130722, 217870, 326805, 653610, 936841, 1873682, 2810523, 4684205, 5621046, 9368410, 14052615, 28105230]

約数ペア:

[(1, 28105230), (2, 14052615), (3, 9368410), (5, 5621046), (6, 4684205), (10, 2810523), (15, 1873682), (30, 936841), (43, 653610), (86, 326805), (129, 217870), (215, 130722), (258, 108935), (430, 65361), (645, 43574), (1290, 21787)]