3919580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{27997}}^1$

素因数の和:28013

約数の個数: 24

約数和(自身を含む): 9407328

約数和(自身を除く): 5487748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 27997, 55994, 111988, 139985, 195979, 279970, 391958, 559940, 783916, 979895, 1959790, 3919580]

約数ペア:

[(1, 3919580), (2, 1959790), (4, 979895), (5, 783916), (7, 559940), (10, 391958), (14, 279970), (20, 195979), (28, 139985), (35, 111988), (70, 55994), (140, 27997)]