15380470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{219721}}^1$

素因数の和:219735

約数の個数: 16

約数和(自身を含む): 31639968

約数和(自身を除く): 16259498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 219721, 439442, 1098605, 1538047, 2197210, 3076094, 7690235, 15380470]

約数ペア:

[(1, 15380470), (2, 7690235), (5, 3076094), (7, 2197210), (10, 1538047), (14, 1098605), (35, 439442), (70, 219721)]