7780110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19949}}^1$

素因数の和:19972

約数の個数: 32

約数和(自身を含む): 20109600

約数和(自身を除く): 12329490

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 19949, 39898, 59847, 99745, 119694, 199490, 259337, 299235, 518674, 598470, 778011, 1296685, 1556022, 2593370, 3890055, 7780110]

約数ペア:

[(1, 7780110), (2, 3890055), (3, 2593370), (5, 1556022), (6, 1296685), (10, 778011), (13, 598470), (15, 518674), (26, 299235), (30, 259337), (39, 199490), (65, 119694), (78, 99745), (130, 59847), (195, 39898), (390, 19949)]