89502980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{639307}}^1$

素因数の和:639323

約数の個数: 24

約数和(自身を含む): 214807488

約数和(自身を除く): 125304508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 639307, 1278614, 2557228, 3196535, 4475149, 6393070, 8950298, 12786140, 17900596, 22375745, 44751490, 89502980]

約数ペア:

[(1, 89502980), (2, 44751490), (4, 22375745), (5, 17900596), (7, 12786140), (10, 8950298), (14, 6393070), (20, 4475149), (28, 3196535), (35, 2557228), (70, 1278614), (140, 639307)]