280389424

素因数分解:

$2^4\times 7^1\times {\mathrm{2503477}}^1$

素因数の和:2503492

約数の個数: 20

約数和(自身を含む): 620862544

約数和(自身を除く): 340473120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2503477, 5006954, 10013908, 17524339, 20027816, 35048678, 40055632, 70097356, 140194712, 280389424]

約数ペア:

[(1, 280389424), (2, 140194712), (4, 70097356), (7, 40055632), (8, 35048678), (14, 20027816), (16, 17524339), (28, 10013908), (56, 5006954), (112, 2503477)]