396410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{809}}^1$

素因数の和:830

約数の個数: 24

約数和(自身を含む): 831060

約数和(自身を除く): 434650

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 809, 1618, 4045, 5663, 8090, 11326, 28315, 39641, 56630, 79282, 198205, 396410]

約数ペア:

[(1, 396410), (2, 198205), (5, 79282), (7, 56630), (10, 39641), (14, 28315), (35, 11326), (49, 8090), (70, 5663), (98, 4045), (245, 1618), (490, 809)]