9970030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{20347}}^1$

素因数の和:20368

約数の個数: 24

約数和(自身を含む): 20877048

約数和(自身を除く): 10907018

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 20347, 40694, 101735, 142429, 203470, 284858, 712145, 997003, 1424290, 1994006, 4985015, 9970030]

約数ペア:

[(1, 9970030), (2, 4985015), (5, 1994006), (7, 1424290), (10, 997003), (14, 712145), (35, 284858), (49, 203470), (70, 142429), (98, 101735), (245, 40694), (490, 20347)]