17427620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{443}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 42069888

約数和(自身を除く): 24642268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 443, 562, 886, 1124, 1405, 1772, 1967, 2215, 2810, 3101, 3934, 4430, 5620, 6202, 7868, 8860, 9835, 12404, 15505, 19670, 31010, 39340, 62020, 124483, 248966, 497932, 622415, 871381, 1244830, 1742762, 2489660, 3485524, 4356905, 8713810, 17427620]

約数ペア:

[(1, 17427620), (2, 8713810), (4, 4356905), (5, 3485524), (7, 2489660), (10, 1742762), (14, 1244830), (20, 871381), (28, 622415), (35, 497932), (70, 248966), (140, 124483), (281, 62020), (443, 39340), (562, 31010), (886, 19670), (1124, 15505), (1405, 12404), (1772, 9835), (1967, 8860), (2215, 7868), (2810, 6202), (3101, 5620), (3934, 4430)]