2799580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19997}}^1$

素因数の和:20013

約数の個数: 24

約数和(自身を含む): 6719328

約数和(自身を除く): 3919748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19997, 39994, 79988, 99985, 139979, 199970, 279958, 399940, 559916, 699895, 1399790, 2799580]

約数ペア:

[(1, 2799580), (2, 1399790), (4, 699895), (5, 559916), (7, 399940), (10, 279958), (14, 199970), (20, 139979), (28, 99985), (35, 79988), (70, 39994), (140, 19997)]