2578710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2052

約数の個数: 32

約数和(自身を含む): 6336000

約数和(自身を除く): 3757290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 1999, 3998, 5997, 9995, 11994, 19990, 29985, 59970, 85957, 171914, 257871, 429785, 515742, 859570, 1289355, 2578710]

約数ペア:

[(1, 2578710), (2, 1289355), (3, 859570), (5, 515742), (6, 429785), (10, 257871), (15, 171914), (30, 85957), (43, 59970), (86, 29985), (129, 19990), (215, 11994), (258, 9995), (430, 5997), (645, 3998), (1290, 1999)]