217239820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{8573}}^1$

素因数の和:8770

約数の個数: 48

約数和(自身を含む): 524317248

約数和(自身を除く): 307077428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 5068, 6335, 8573, 12670, 17146, 25340, 34292, 42865, 60011, 85730, 120022, 171460, 240044, 300055, 600110, 1200220, 1551713, 3103426, 6206852, 7758565, 10861991, 15517130, 21723982, 31034260, 43447964, 54309955, 108619910, 217239820]

約数ペア:

[(1, 217239820), (2, 108619910), (4, 54309955), (5, 43447964), (7, 31034260), (10, 21723982), (14, 15517130), (20, 10861991), (28, 7758565), (35, 6206852), (70, 3103426), (140, 1551713), (181, 1200220), (362, 600110), (724, 300055), (905, 240044), (1267, 171460), (1810, 120022), (2534, 85730), (3620, 60011), (5068, 42865), (6335, 34292), (8573, 25340), (12670, 17146)]