280149296

素因数分解:

$2^4\times 7^1\times {\mathrm{2501333}}^1$

素因数の和:2501348

約数の個数: 20

約数和(自身を含む): 620330832

約数和(自身を除く): 340181536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2501333, 5002666, 10005332, 17509331, 20010664, 35018662, 40021328, 70037324, 140074648, 280149296]

約数ペア:

[(1, 280149296), (2, 140074648), (4, 70037324), (7, 40021328), (8, 35018662), (14, 20010664), (16, 17509331), (28, 10005332), (56, 5002666), (112, 2501333)]