1320656470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{18866521}}^1$

素因数の和:18866535

約数の個数: 16

約数和(自身を含む): 2716779168

約数和(自身を除く): 1396122698

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 18866521, 37733042, 94332605, 132065647, 188665210, 264131294, 660328235, 1320656470]

約数ペア:

[(1, 1320656470), (2, 660328235), (5, 264131294), (7, 188665210), (10, 132065647), (14, 94332605), (35, 37733042), (70, 18866521)]