2391980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 5056800

約数和(自身を除く): 2664820

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 601, 796, 995, 1202, 1990, 2404, 3005, 3980, 6010, 12020, 119599, 239198, 478396, 597995, 1195990, 2391980]

約数ペア:

[(1, 2391980), (2, 1195990), (4, 597995), (5, 478396), (10, 239198), (20, 119599), (199, 12020), (398, 6010), (601, 3980), (796, 3005), (995, 2404), (1202, 1990)]