479980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 1022112

約数和(自身を除く): 542132

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 233, 412, 466, 515, 932, 1030, 1165, 2060, 2330, 4660, 23999, 47998, 95996, 119995, 239990, 479980]

約数ペア:

[(1, 479980), (2, 239990), (4, 119995), (5, 95996), (10, 47998), (20, 23999), (103, 4660), (206, 2330), (233, 2060), (412, 1165), (466, 1030), (515, 932)]