981888740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{7013491}}^1$

素因数の和:7013507

約数の個数: 24

約数和(自身を含む): 2356533312

約数和(自身を除く): 1374644572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 7013491, 14026982, 28053964, 35067455, 49094437, 70134910, 98188874, 140269820, 196377748, 245472185, 490944370, 981888740]

約数ペア:

[(1, 981888740), (2, 490944370), (4, 245472185), (5, 196377748), (7, 140269820), (10, 98188874), (14, 70134910), (20, 49094437), (28, 35067455), (35, 28053964), (70, 14026982), (140, 7013491)]