205538830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{419467}}^1$

素因数の和:419488

約数の個数: 24

約数和(自身を含む): 430374168

約数和(自身を除く): 224835338

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 419467, 838934, 2097335, 2936269, 4194670, 5872538, 14681345, 20553883, 29362690, 41107766, 102769415, 205538830]

約数ペア:

[(1, 205538830), (2, 102769415), (5, 41107766), (7, 29362690), (10, 20553883), (14, 14681345), (35, 5872538), (49, 4194670), (70, 2936269), (98, 2097335), (245, 838934), (490, 419467)]