279485710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{570379}}^1$

素因数の和:570400

約数の個数: 24

約数和(自身を含む): 585209880

約数和(自身を除く): 305724170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 570379, 1140758, 2851895, 3992653, 5703790, 7985306, 19963265, 27948571, 39926530, 55897142, 139742855, 279485710]

約数ペア:

[(1, 279485710), (2, 139742855), (5, 55897142), (7, 39926530), (10, 27948571), (14, 19963265), (35, 7985306), (49, 5703790), (70, 3992653), (98, 2851895), (245, 1140758), (490, 570379)]