30531340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{218081}}^1$

素因数の和:218097

約数の個数: 24

約数和(自身を含む): 73275552

約数和(自身を除く): 42744212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 218081, 436162, 872324, 1090405, 1526567, 2180810, 3053134, 4361620, 6106268, 7632835, 15265670, 30531340]

約数ペア:

[(1, 30531340), (2, 15265670), (4, 7632835), (5, 6106268), (7, 4361620), (10, 3053134), (14, 2180810), (20, 1526567), (28, 1090405), (35, 872324), (70, 436162), (140, 218081)]