1402870

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{409}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 2952000

約数和(自身を除く): 1549130

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 409, 490, 686, 818, 1715, 2045, 2863, 3430, 4090, 5726, 14315, 20041, 28630, 40082, 100205, 140287, 200410, 280574, 701435, 1402870]

約数ペア:

[(1, 1402870), (2, 701435), (5, 280574), (7, 200410), (10, 140287), (14, 100205), (35, 40082), (49, 28630), (70, 20041), (98, 14315), (245, 5726), (343, 4090), (409, 3430), (490, 2863), (686, 2045), (818, 1715)]