1392340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1619}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 2993760

約数和(自身を除く): 1601420

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1619, 3238, 6476, 8095, 16190, 32380, 69617, 139234, 278468, 348085, 696170, 1392340]

約数ペア:

[(1, 1392340), (2, 696170), (4, 348085), (5, 278468), (10, 139234), (20, 69617), (43, 32380), (86, 16190), (172, 8095), (215, 6476), (430, 3238), (860, 1619)]