200840710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{409879}}^1$

素因数の和:409900

約数の個数: 24

約数和(自身を含む): 420536880

約数和(自身を除く): 219696170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 409879, 819758, 2049395, 2869153, 4098790, 5738306, 14345765, 20084071, 28691530, 40168142, 100420355, 200840710]

約数ペア:

[(1, 200840710), (2, 100420355), (5, 40168142), (7, 28691530), (10, 20084071), (14, 14345765), (35, 5738306), (49, 4098790), (70, 2869153), (98, 2049395), (245, 819758), (490, 409879)]