28725270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19541}}^1$

素因数の和:19565

約数の個数: 48

約数和(自身を含む): 80200368

約数和(自身を除く): 51475098

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 19541, 39082, 58623, 97705, 117246, 136787, 195410, 273574, 293115, 410361, 586230, 683935, 820722, 957509, 1367870, 1915018, 2051805, 2872527, 4103610, 4787545, 5745054, 9575090, 14362635, 28725270]

約数ペア:

[(1, 28725270), (2, 14362635), (3, 9575090), (5, 5745054), (6, 4787545), (7, 4103610), (10, 2872527), (14, 2051805), (15, 1915018), (21, 1367870), (30, 957509), (35, 820722), (42, 683935), (49, 586230), (70, 410361), (98, 293115), (105, 273574), (147, 195410), (210, 136787), (245, 117246), (294, 97705), (490, 58623), (735, 39082), (1470, 19541)]