2216860

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 4687200

約数和(自身を除く): 2470340

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 557, 796, 995, 1114, 1990, 2228, 2785, 3980, 5570, 11140, 110843, 221686, 443372, 554215, 1108430, 2216860]

約数ペア:

[(1, 2216860), (2, 1108430), (4, 554215), (5, 443372), (10, 221686), (20, 110843), (199, 11140), (398, 5570), (557, 3980), (796, 2785), (995, 2228), (1114, 1990)]