2780310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7129}}^1$

素因数の和:7152

約数の個数: 32

約数和(自身を含む): 7187040

約数和(自身を除く): 4406730

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 7129, 14258, 21387, 35645, 42774, 71290, 92677, 106935, 185354, 213870, 278031, 463385, 556062, 926770, 1390155, 2780310]

約数ペア:

[(1, 2780310), (2, 1390155), (3, 926770), (5, 556062), (6, 463385), (10, 278031), (13, 213870), (15, 185354), (26, 106935), (30, 92677), (39, 71290), (65, 42774), (78, 35645), (130, 21387), (195, 14258), (390, 7129)]