27999100

素因数分解:

$2^2\times 5^2\times {\mathrm{279991}}^1$

素因数の和:280005

約数の個数: 18

約数和(自身を含む): 60758264

約数和(自身を除く): 32759164

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 279991, 559982, 1119964, 1399955, 2799910, 5599820, 6999775, 13999550, 27999100]

約数ペア:

[(1, 27999100), (2, 13999550), (4, 6999775), (5, 5599820), (10, 2799910), (20, 1399955), (25, 1119964), (50, 559982), (100, 279991)]