2379860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 5806080

約数和(自身を除く): 3426220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 191, 356, 382, 445, 623, 764, 890, 955, 1246, 1337, 1780, 1910, 2492, 2674, 3115, 3820, 5348, 6230, 6685, 12460, 13370, 16999, 26740, 33998, 67996, 84995, 118993, 169990, 237986, 339980, 475972, 594965, 1189930, 2379860]

約数ペア:

[(1, 2379860), (2, 1189930), (4, 594965), (5, 475972), (7, 339980), (10, 237986), (14, 169990), (20, 118993), (28, 84995), (35, 67996), (70, 33998), (89, 26740), (140, 16999), (178, 13370), (191, 12460), (356, 6685), (382, 6230), (445, 5348), (623, 3820), (764, 3115), (890, 2674), (955, 2492), (1246, 1910), (1337, 1780)]