28061810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{57269}}^1$

素因数の和:57290

約数の個数: 24

約数和(自身を含む): 58759020

約数和(自身を除く): 30697210

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 57269, 114538, 286345, 400883, 572690, 801766, 2004415, 2806181, 4008830, 5612362, 14030905, 28061810]

約数ペア:

[(1, 28061810), (2, 14030905), (5, 5612362), (7, 4008830), (10, 2806181), (14, 2004415), (35, 801766), (49, 572690), (70, 400883), (98, 286345), (245, 114538), (490, 57269)]